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Covestro (formerly Bayer MaterialScience)

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拜耳材料生產膠黏劑原料,用於制備交通、家具、鞋、包裝和建築市場用觸敏和熱活化膠黏劑,反應性和熱熔膠粘劑。拜耳提供基於聚氨酯和氯丁橡膠的全面產品系列,包括能夠提供耐紫外線和耐候性的特種原材料。
Request Sample Acclaim® Polyol 12200 N Covestro (formerly Bayer MaterialScience) 科思创 聚醚多元醇,與Desmodur® 聯合用於無溶劑和低溶劑聚氨酯的配方。
Request Sample Acclaim® Polyol 18200 N Covestro (formerly Bayer MaterialScience) 科思创 聚醚多醇,適合結合Desmodur®產品用於無溶劑或低溶劑含量的聚氨酯配方體系
Request Sample Acclaim® Polyol 4200 Covestro (formerly Bayer MaterialScience) 科思创 聚醚多元醇,與Desmodur® 聯合用於無溶劑和低溶劑聚氨酯的配方。
Request Sample Acclaim® Polyol 6300 Covestro (formerly Bayer MaterialScience) 科思创 Acclaim® Polyol 6300 is a polyether polyol that is suitable for combination with Desmodur in the formulation of solvent-free or low-solvent polyurethanes.
Request Sample Acclaim® Polyol 8200 N Covestro (formerly Bayer MaterialScience) 科思创 聚醚多醇,適合結合Desmodur®產品用於無溶劑或低溶劑含量的聚氨酯配方體系
Request Sample Baybond® PU 330 Covestro (formerly Bayer MaterialScience) 科思创 陰離子,非離子聚酯型聚氨酯聚合物,在玻璃纖維浸潤劑中用作成膜組份
Request Sample Baybond® PU 403 Covestro (formerly Bayer MaterialScience) 科思创 陰離子,非離子聚酯型聚氨酯聚合物,在玻璃纖維浸潤劑中用作成膜組份
Request Sample Baybond® PU 405 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® PU 405 is an anionic/non-ionic crosslinking polyether urethane polymer used as the film-forming component in glass fibre sizes. This product becomes milky white when dispersed in water. This product has a non-volatile content (0.9-1.1g / 1h / 125...展開 Baybond® PU 405 is an anionic/non-ionic crosslinking polyether urethane polymer used as the film-forming component in glass fibre sizes. This product becomes milky white when dispersed in water. This product has a non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) of 32-35, a flow time at 23°C, (4mmcup) of 11-18, and a pH value 20°C (supply form) of 6.0-8.0. Baybond® PU 405 was developed for the sizing of glass fibres used to reinforce thermoplastics, particularly polyamide. Glass fibre sizes based on Baybond® PU 405 are characterised by their outstanding film-forming properties and very good adhesion. They have very good colourfastness, even at high temperatures. The mechanical film properties of the product are developed fully by post-crosslinking at temperatures from 170°C for a duration of 20 minutes. Baybond® PU 405 is also highly resistant to shear forces and hydrolysis. 收起
Request Sample Baybond® PU 406 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® PU 406 is a non-ionic polyurethane polymer used as the film-forming component in glass fiber sizes. This product displays a milky white dispersion in water. It has a non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) of 34.5 ± 1.5, a f...展開 Baybond® PU 406 is a non-ionic polyurethane polymer used as the film-forming component in glass fiber sizes. This product displays a milky white dispersion in water. It has a non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) of 34.5 ± 1.5, a flow time at 23°C, (4mmcup) of 10-22, and a pH value at 20°C, (supply form) of 5.5-7.5. 收起
Request Sample Baybond® PU 407 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® PU 407 is an anionic/non-ionic polyester urethane polymer, that can be used as the film-forming component in glass fiber sizes. This product is has milky white dispersion in water. This product has a non-volatile content (0.9-1.1g / 1h / 125°C, c...展開 Baybond® PU 407 is an anionic/non-ionic polyester urethane polymer, that can be used as the film-forming component in glass fiber sizes. This product is has milky white dispersion in water. This product has a non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) of 40 ± 1, a flow time at 23°C, (4mmcup) of 11 - 18, and has a pH value 20°C (supply form) of 6.3 - 7.7. Baybond® PU 407 is particularly well suited for the sizing of glass fibers used to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® PU 407 are characterized by their outstanding film-forming properties and very good adhesion. They have high colorfastness, even at elevated temperatures. It is also stable against shear forces. 收起
Request Sample Baybond® XL 7270 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® XL 7270 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product has a non-volatile content (0.9 - 1.1g / 1h / 125°C, convection oven) of 30 ± 1, a flow time at 23°C, (4mmcup)...展開 Baybond® XL 7270 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product has a non-volatile content (0.9 - 1.1g / 1h / 125°C, convection oven) of 30 ± 1, a flow time at 23°C, (4mmcup) of 10-14, and a pH value at 20°C (supply form) of 7-8. Baybond® XL 7270 was developed as crosslinker for the sizing of glass fibers used in combination with Baybond binders to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® XL 7270 are characterized by their good colorfastness, even at elevated temperatures. The mechanical film properties of sizings based on Baybond® XL 7270 are developed fully by postcrosslinking at temperatures from 170°C for a duration of 20 minutes. The product is compatible with the additives normally used in the formulation of glass sizes, e.g. adhesion promoters, lubricants, antistatic agents and plasticizers. 收起
Request Sample Baybond® XL 825 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® XL 825 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product non-volatile content (0.9 - 1.1g / 1h / 125°C,convection oven) 30 ± 1, a flow time at 23°C, (4mmcup) of 10 - 5...展開 Baybond® XL 825 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product non-volatile content (0.9 - 1.1g / 1h / 125°C,convection oven) 30 ± 1, a flow time at 23°C, (4mmcup) of 10 - 55 , and a pH value at 20°C (supply form) of 7-8. Baybond® XL 825 was developed as crosslinker for the sizing of glass fibers used in combination with Baybond binders to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® XL 825 are characterized by their good colorfastness, even at elevated temperatures. The mechanical film properties of sizings based on Baybond® XL 825 are developed fully by postcrosslinking at temperatures from 170°C for a duration of 20 minutes. The product is compatible with the additives normally used in the formulation of glass sizes, e.g. adhesion promoters, lubricants, antistatic agents and plasticizers. 收起
Request Sample Baybond® XP 2728 Covestro (formerly Bayer MaterialScience) 科思创 Baybond® XP 2728 is an anionic/non-ionic polycarbonate-polyether urethane polymer that is used as the film-forming component in glass fiber sizes. This product has a non-volatile content (1g / 1h / 125°C) of 58 - 62, a flow time at 23°C, (4mmcup) of < 90,...展開 Baybond® XP 2728 is an anionic/non-ionic polycarbonate-polyether urethane polymer that is used as the film-forming component in glass fiber sizes. This product has a non-volatile content (1g / 1h / 125°C) of 58 - 62, a flow time at 23°C, (4mmcup) of < 90, and a pH value of 7-9. Baybond® XP 2728 was developed for the sizing of glass fibers used to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® XP 2728 are characterized by their outstanding film-forming properties and very good adhesion. The product exhibits outstanding hydrolysis resistance and colorfastness, and is also very stable against shear forces. 收起
Request Sample Bayhydrol® A 145 Covestro (formerly Bayer MaterialScience) 科思创 一種水性羥基官能聚丙烯酸分散體。用於汽車修補用水性雙組分透明罩光清漆、重型運輸設備表面處理和工業涂料。
Request Sample Bayhydrol® A 2058 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2058 is an aqueous hydroxyfunctional polyacrylic dispersion used in the formulation of flexible two-component polyurethane top coats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 41 -...展開 Bayhydrol® A 2058 is an aqueous hydroxyfunctional polyacrylic dispersion used in the formulation of flexible two-component polyurethane top coats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 41 - 45, a pH (1:3 in demineralised water) of 7.5 - 9.5, and a viscosity at 23°C, (approx.D=82s-1) of 200 - 2,000. Bayhydrol® A 2058 combined with Bayhydur 3100 yields high-gloss flexible top coats which are resistant to solvents. The formulation can be applied as a one-coat system on many substrates and has good adhesion and body. Two-pack primers can be formulated by combining Bayhydrol® A 2058 with Bayhydur® 3100. These are highly suitable for use on thermoplastics and thermosets and are characterised by excellent adhesion, sandability and water resistance. 收起
Request Sample Bayhydrol® A 2139/2 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2139/2 is an aqueous, fatty acid-modified, hydroxyfunctional polyester/polyacrylate copolymer that can be used in the formulation of two-component polyurethane top coats and primers for plastics. This product has a non-volatile content (1g / ...展開 Bayhydrol® A 2139/2 is an aqueous, fatty acid-modified, hydroxyfunctional polyester/polyacrylate copolymer that can be used in the formulation of two-component polyurethane top coats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C/convection oven) of 45-49, a viscosity at 23°C, (D = approx. 40 s-1) of 1,000 - 2,500, an acid value of 11.5 - 14.5, and a pH (1:4 in demineralised water) value of 6.8 - 7.9. Bayhydrol® A 2139/2 can be combined with Bayhydur® 3100 to yield highgloss solvent-resistant top coats. It is used as a one-coat top coat on many substrates, it has good adhesion and high body. When combined, it can also be used to formulate two-component primers for many thermoplastics and thermosets. 收起
Request Sample Bayhydrol® A 2227/1 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2227/1 is a polyester-polyacrylate dispersion used in the formulation of stoving industrial coatings with high whiteness retention on exposure to high temperatures. It can also be used in the formulation of stoving industrial coatings with hi...展開 Bayhydrol® A 2227/1 is a polyester-polyacrylate dispersion used in the formulation of stoving industrial coatings with high whiteness retention on exposure to high temperatures. It can also be used in the formulation of stoving industrial coatings with high whiteness retention on exposure to high temperatures. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 41-43, a viscosity at 23°C, (D = approx. 40 s-1) of 700 - 2,500, an acid value of 7-10, and a pH (1:3 in demineralised water) of 7,5 - 8,5. Bayhydrol® A 2227/1 is characterised by its good pigment wetting properties and high shear stability. Bead and sand mills have proved suitable as grinding equipment. Grinding temperatures of up to approx. 50°C have no detrimental effect on quality of the coating. Given the many different pigments available, the storage stability should always be tested. The rutile titanium dioxide pigments of the Tronox range, especially Tronox® R-KB-4, are particularly suitable. 收起
Request Sample Bayhydrol® A 2290 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2290 is an aqueous hydroxyfunctional polyester polyacrylate dispersion that can be used in the formulation of two-component polyurethane topcoats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C, convection o...展開 Bayhydrol® A 2290 is an aqueous hydroxyfunctional polyester polyacrylate dispersion that can be used in the formulation of two-component polyurethane topcoats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 43-47, a viscosity at 23°C, D=approx.40s-1 of 200-2,000, and an acid value of 11-13. Bayhydrol® A 2290 is a polyester polyacrylate dispersion which has already been neutralized with dimethylethanolamine. It has good hydrolysis stability and can be thinned with water for application. It is preferably combined with Bayhydur® 3100, Bayhydrol® A 2290 can be used to formulate high gloss, solvent-resistant and tar-resistant top-coats. On many substrates, good adhesion with a good build can be achieved when the formulation is applied as a one-coat finish. 收起
Request Sample Bayhydrol® A 242 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 242 is a water-thinnable polyacrylic resin containing hydroxyl groups. It is used as a coreactant for Bayhydur® and Desmodur® polyisocyanates in the formulation of aqueous two-component polyurethane systems for various applications by brush, ...展開 Bayhydrol® A 242 is a water-thinnable polyacrylic resin containing hydroxyl groups. It is used as a coreactant for Bayhydur® and Desmodur® polyisocyanates in the formulation of aqueous two-component polyurethane systems for various applications by brush, roller or spray. This product has a viscosity at 23°C, (D = approx. 165 s-1) of 200 ± 100, a non-volatile content (1g, 1h, 125°C) of 42 ± 2, and a pH (10% in demineralized water) value of 7.1 ± 0.7. Bayhydrol® A 242 is a water-thinnable hydroxyfunctional polyacrylic resin with emulsifying properties. It is neutralised with ammonia. Given the special composition of this product, both hydrophilic polyisocyanates, e.g. Bayhydur® 3100, and hydrophobic grades, such as Desmodur® N 3400 and others, are suitable co-reactants. The resultant water-thinnable two-component system cures to yield a polyurethane film with good general properties, and only a small-scale polyurea reaction takes place. 收起
Request Sample Bayhydrol® A 2427 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2427 is an aqueous, hydroxyfunctional polyacrylate dispersion used in the formulation of fast-drying, waterborne two-component polyurethane primers and topcoats, as well as one-component coatings. This product has a non-volatile content (1 g/...展開 Bayhydrol® A 2427 is an aqueous, hydroxyfunctional polyacrylate dispersion used in the formulation of fast-drying, waterborne two-component polyurethane primers and topcoats, as well as one-component coatings. This product has a non-volatile content (1 g/1 h/125°C, convection oven) of 41-44, a viscosity at 23°C, (D=ca.40s-1) of max. 100, and a pH (1:3 in demineralised water) of 8-9. Bayhydrol® A 2427 is preferably combined with anionic hydrophilically modified polyisocyanates such as Bayhydur® XP 2487/1 to formulate transparent and pigmented primers and topcoats. Topcoats based on Bayhydrol® A 2427 and Bayhydur® XP 2487/1 are characterized by their good chemical resistance properties, especially their resistance to discoloring liquids. 收起
Request Sample Bayhydrol® A 2457 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2457 is an anionic polyacrylic dispersion used as a binder in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU). This product has a non-volatile content (1g / 1h / 125°C ...展開 Bayhydrol® A 2457 is an anionic polyacrylic dispersion used as a binder in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU). This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 38.5 - 41.5, a viscosity at 23°C, D=approx.42s-1 of max. 100, and a pH (1:3 in demineralised water) value of 7.5-9. Due to its outstanding mechanical and chemical resistance properties the product is ideally suited for the formulation of sealers for mineral substrates and reactive resins (EP, PU). In combination with other water-reducible binders, the many potential combination products, compatibility must always be tested. 收起
Request Sample Bayhydrol® A 2470 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2470 is an aqueous hydroxyfunctional polyacrylic dispersion that has waterborne 2K-Polyurethane varnishes in combination with aliphatic Polyisocyanates. This product has a viscosity at 23°C, D=approx.40s-1 of 1,500 - 3,000, a non-volatile con...展開 Bayhydrol® A 2470 is an aqueous hydroxyfunctional polyacrylic dispersion that has waterborne 2K-Polyurethane varnishes in combination with aliphatic Polyisocyanates. This product has a viscosity at 23°C, D=approx.40s-1 of 1,500 - 3,000, a non-volatile content (1g / 1h / 125°C / convection oven) of 44-47, and a pH (1:4 in demineralised water) value of 7-8. Bayhydrol® A 2470 is a hydroxyfunctional polyacrylic dispersion which can be thinned with water to application viscosity. The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be restored to its original value by the addition of small amounts of an aqueous 10% solution of dimethyl ethanol amine. 收起
Request Sample Bayhydrol® A 2542 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2542 is an anionic polyacrylate dispersion that has a waterborne, low VOC two-component polyurethane coatings in combination with aliphatic polyisocyanates. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 48-51,...展開 Bayhydrol® A 2542 is an anionic polyacrylate dispersion that has a waterborne, low VOC two-component polyurethane coatings in combination with aliphatic polyisocyanates. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 48-51, a viscosity at 23°C, D=approx.40s-1 of 1,000 - 3,500, and a pH (1:4 in demineralised water) of 7-8. On account of its outstanding mechanical and chemical resistance, the product is particularly suitable for the formulation of hard, high-gloss sealers for mineral substrates and reactive resins (EP, PUR). Furthermore, excellent accentuation of the grain of the substrate (e.g. colored coatings) is achieved. 收起
Request Sample Bayhydrol® A 2546 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2546 is a binder used in the formulation of water-reducible, two-component polyurethane coatings and sealers for mineral substrates and reactive resins (EP,PUR), with anionic polyacrylate dispersion. This product has a non-volatile content (1...展開 Bayhydrol® A 2546 is a binder used in the formulation of water-reducible, two-component polyurethane coatings and sealers for mineral substrates and reactive resins (EP,PUR), with anionic polyacrylate dispersion. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 38-42, a viscosity at 23°C, D=approx.45s-1 of max. 200, and a pH (1:3 in demineralised water) value of 7-9. On account of its outstanding mechanical and chemical resistance, the product is particularly suitable for the formulation of sealers for mineral substrates and reactive resins (EP, PUR), in particular when good hot tire resistance is required. The product can also be combined with other water-reducible binders. On account of the many potential co-reactants, compatibility testing should always be carried out. 收起
Request Sample Bayhydrol® A 2601 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2601 is a water-reducible, hydroxyfunctional polyacrylate dispersion used in combination with aliphatic polyisocyanates for the formulation of waterborne two-component clearcoats and topcoats for general industrial and transportation coatings...展開 Bayhydrol® A 2601 is a water-reducible, hydroxyfunctional polyacrylate dispersion used in combination with aliphatic polyisocyanates for the formulation of waterborne two-component clearcoats and topcoats for general industrial and transportation coatings. It can also be used in combination with suitable melamine resins for the formulation of one-component coatings. This product has a viscosity at 23°C, D=approx.40s-1 of 1,500 - 3,000, a non-volatile content (1g / 1ml toluene / 1h / 125°C) of 44-47, and a pH (1:4 in demineralised water) value of 7-8. This product can be used primarily in combination with Bayhydur® 304, XP 2487/1 and Desmodur® N 3900 for air- and oven-drying industrial coatings. The cured coating film is hard, tough but flexible and exhibits high gloss, good filling power, good weather and light stability, good resistance to solvents and gasoline and rapid drying. It is not recommended for clearcoat applications for wood. 收起
Request Sample Bayhydrol® A 2620 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2620 is a water-reducible, hydroxyfunctional polyacrylic dispersion used in combination with aliphatic polyisocyanates for the formulation of high grade, fast drying, waterborne two-component clearcoats and top-coats, e.g. for automotive and ...展開 Bayhydrol® A 2620 is a water-reducible, hydroxyfunctional polyacrylic dispersion used in combination with aliphatic polyisocyanates for the formulation of high grade, fast drying, waterborne two-component clearcoats and top-coats, e.g. for automotive and industrial coating applications. This product has an acid number of approx. 9.8, a hydroxyl content (solvent free, calculated) of approx. 3.0, and a density at 20°C of approx. 1,07. Bayhydrol® A 2620 can be used in combination with aliphatic polyisocyanates for the formulation of high-gloss clearcoats and top-coats which can be dried at room temperature or force-dried, e.g. at 130°C. The cured paint films are hard but flexible, with good resistance to solvents, water and chemicals and also exhibit good UV stability. 收起
Request Sample Bayhydrol® A 2646 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A 2646 is an anionic polyacrylate dispersion used in waterborne, low VOC two-component polyurethane coatings in combination with aliphatic polyisocyanates. This product has a hydroxyl content, (calculated on solid) of approx. 3.8, a hydroxyl co...展開 Bayhydrol® A 2646 is an anionic polyacrylate dispersion used in waterborne, low VOC two-component polyurethane coatings in combination with aliphatic polyisocyanates. This product has a hydroxyl content, (calculated on solid) of approx. 3.8, a hydroxyl content, (supply form) of approx. 2.7, and a density at 20°C of approx. 1.06. On account of its outstanding mechanical and chemical resistance, the product is particularly suitable for the formulation of hard, high-gloss sealers for mineral substrates and reactive resins (EP, PUR). Furthermore, good accentuation of the grain of the substrate (e.g. colored coatings) is achieved. The binder can also be used for the formulation of high-grade low VOC coatings for use on substrates such as wood, metal, plastic, etc. 收起
Request Sample Bayhydrol® A 2651 Covestro (formerly Bayer MaterialScience) 科思创 水性含羥基的丙烯酸酯二級分散體,與水分散聚異氰酸酯結合使用,制備水性雙組分聚氨酯涂料。
Request Sample Bayhydrol® A XP 2469 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A XP 2469 is an aqueous hydroxyfunctional polyacrylic dispersion that is in combination with aliphatic polyisocyanates to formulate aqueous two-component clear and top coats for general industrial finishes. This product has a hydroxyl content (...展開 Bayhydrol® A XP 2469 is an aqueous hydroxyfunctional polyacrylic dispersion that is in combination with aliphatic polyisocyanates to formulate aqueous two-component clear and top coats for general industrial finishes. This product has a hydroxyl content (calculated on solid resin) of approx. 2.5, an acid value of approx. 8, a flash point that is not flammable up to boiling point, and a density at 20°C of approx. 1.06. Bayhydrol® A XP 2469 has good pigment wetting properties and high shear stability. Bead mills have proved suitable as grinding equipment. Only pigments and extenders with a minimum water-soluble content should be used. Given the many pigments and extenders available, compatibility testing should always be carried out. 收起
Request Sample Bayhydrol® A XP 2695 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® A XP 2695 is an aqueous hydroxyfunctional polyacrylic dispersion that shows a superior chemical resistance, which can be improved by increasing the NCO/OH ratio. This product has an equivalent weight of approx. 830, a flash point (No flash poin...展開 Bayhydrol® A XP 2695 is an aqueous hydroxyfunctional polyacrylic dispersion that shows a superior chemical resistance, which can be improved by increasing the NCO/OH ratio. This product has an equivalent weight of approx. 830, a flash point (No flash point up to initial boiling point) of > 95, and a density at 20°C of approx. 1.06. This product is mainly for air and forced drying coating systems with a very high chemical resistance. The cured paint films are hard, tough but flexible, glossy and high-bodied with good weather stability, lightfastness and superior chemical resistance. The application of a clearcoat based on Bayhydrol® A XP 2695 directly on wood may lead to discoloration. 收起
Request Sample Bayhydrol® HD 2016 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® HD 2016 is a co-solvent free hydroxyl functional acrylic resin dispersed in water. It is used as a coreactant for Bayhydur water-dispersible polyisocyanates in the formulation of < 50g/l VOC coatings. This product can also be combined with othe...展開 Bayhydrol® HD 2016 is a co-solvent free hydroxyl functional acrylic resin dispersed in water. It is used as a coreactant for Bayhydur water-dispersible polyisocyanates in the formulation of < 50g/l VOC coatings. This product can also be combined with other water-reducible binders. 收起
Request Sample Bayhydrol® HD 2017 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® HD 2017 is a hydroxyl-functional acrylic resin dispersed in water with approximately 1% co-solvent. It can be used as a coreactant for Bayhydur® water-dispersible polyisocyanates in the formulation of < 50g/l VOC coatings.
Request Sample Bayhydrol® PR 435 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® PR 435 is an aqueous aliphatic polyurethane dispersion that contains only 5% by weight of organic cosolvent.
Request Sample Bayhydrol® U 241 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U 241 is a polyester polyurethane dispersion used in the formulation of stoving industrial coatings, stoving automotive primer surfaces and two-pack polyurethane primers and top coats for plastics. This product has an OH content, solvent-free o...展開 Bayhydrol® U 241 is a polyester polyurethane dispersion used in the formulation of stoving industrial coatings, stoving automotive primer surfaces and two-pack polyurethane primers and top coats for plastics. This product has an OH content, solvent-free of approx. 2.5, a minimum film-forming temperature MFT of approx. 0, and a mean particle size of approx. 50. Bayhydrol® U 241 is a polyester-polyurethane dispersion neutralized with dimethyl ethanol amine which is resistant to hydrolysis. The product can be diluted with water for application and shows no dilution anomalies. Bayhydrol® U 241 can be combined with partially methylated melamine resins to formulate water-dilutable stoving coatings and primers which cure at approx. 120°C. 收起
Request Sample Bayhydrol® U 355 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U 355 is an aliphatic, hydroxyfunctional polyester polyurethane dispersion that is used as binders for the formulation of water-thinnable soft-feel coatings. This product has a viscosity at 23°C, (D = approx. 240 s-1) of 250-650, a non-volatile...展開 Bayhydrol® U 355 is an aliphatic, hydroxyfunctional polyester polyurethane dispersion that is used as binders for the formulation of water-thinnable soft-feel coatings. This product has a viscosity at 23°C, (D = approx. 240 s-1) of 250-650, a non-volatile content (1g / 1h / 125°C) of 53-57, and a pH (10% in water) value of 7.0-7.5. Bayhydrol® U 355 can be combined with flexible polyurethane dispersions, e.g. Bayhydrol® UH 240 and UH 340/1, to formulate soft-feel and suede-effect coatings. This product's suitable polyisocyanate components are Bayhydur® 3100, Bayhydur® VP LS 2306 and Bayhydur® VP LS 2319. 收起
Request Sample Bayhydrol® U XP 2698 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U XP 2698 liphatic, hydroxyfunctional polyester-polyurethane dispersion used as a binder for the formulation of water-reducible soft-touch coatings. This product has an acid number of approx. 8.5, a density at 20°C of approx. 1.07, and an OH co...展開 Bayhydrol® U XP 2698 liphatic, hydroxyfunctional polyester-polyurethane dispersion used as a binder for the formulation of water-reducible soft-touch coatings. This product has an acid number of approx. 8.5, a density at 20°C of approx. 1.07, and an OH content of approx. 0.8. Bayhydrol® U XP 2698 can be used in combination with flexible polyurethane dispersions, e.g. Bayhydrol® UH 340/1, UH 650, UH 2305, UH XP 2658 and UH XP 2660 to formulate soft-touch and suede-effect coatings. The suitable polyisocyanate components are Bayhydur® 304, 3100, XP 2655 and also Desmodur® N 3600 and N 3900. 收起
Request Sample Bayhydrol® U XP 2750 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U XP 2750 is a binder for the formulation of water-reducible 2K-PUR coatings. This product is an aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion, that is cosolvent-free. This product has an acid number of approx. 9.0, a...展開 Bayhydrol® U XP 2750 is a binder for the formulation of water-reducible 2K-PUR coatings. This product is an aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion, that is cosolvent-free. This product has an acid number of approx. 9.0, a density at 20°C of approx. 1.06, and an OH content (solid resin) of approx. 3.6. Bayhydrol® U XP 2750 is a hydroxyfunctional polycarbonate ester-polyurethane dispersion which can be thinned with water to application viscosity. It is a two-component polyurethane hydrocoatings based on Bayhydrol® U XP 2750 are characterized by high weathering resistance (gloss-retention, resistance to cracking), good appearance (high gloss, low haze value) and very high reflow-behavior after dry-or weet-scratching. 收起
Request Sample Bayhydrol® U XP 2755 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U XP 2755 combined with aliphatic polyisocyanates, is well suited for the formulation of glossy and matt clear 2k polyurethane coatings, as well as pigmented coatings, in combination with waterdispersible polyisocyanate. This product is an aque...展開 Bayhydrol® U XP 2755 combined with aliphatic polyisocyanates, is well suited for the formulation of glossy and matt clear 2k polyurethane coatings, as well as pigmented coatings, in combination with waterdispersible polyisocyanate. This product is an aqueous hydroxyfunctional polyester-polyurethane dispersion, that is solvent-free. This product has a hydroxyl content (on solid) of approx. 3, and a mean particle size of approx. 30. Bayhydrol® U XP 2755 combined with aliphatic polyisocyanates is well suited for the formulation of glossy and matt clear 2k polyurethane coatings, as well as pigmented coatings. It provides coatings with very good film transparency, high wood warmth, fast drying, high hardness and long pot-life. Crosslinking with Bayhydur® XP 2487/1 or XP 2655 yields to coatings with very high chemical resistance. Bayhydur® 2759, IPDI based hardener, can be combined with HDI based hardeners to further accelerate the drying. 收起
Request Sample Bayhydrol® U XP 2766 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® U XP 2766 is a hydroxyfunctional polyester-polyurethane dispersion which can be thinned with water to application viscosity. It is a binder for the formulation of water-reducible 2K-PUR coatings, and is an anionic, hydroxyfunctional polyester-p...展開 Bayhydrol® U XP 2766 is a hydroxyfunctional polyester-polyurethane dispersion which can be thinned with water to application viscosity. It is a binder for the formulation of water-reducible 2K-PUR coatings, and is an anionic, hydroxyfunctional polyester-polyurethan dispersion, that is solvent-free. This product has an acid number of approx. 11, a density at 20°C of approx. 1.06, and an OH content (solid resin) of approx. 4.0. Bayhydrol® U XP 2766 is a hydroxyfunctional polyester-polyurethan dispersion which can be thinned with water to application viscosity. In combination with hydrophobic polyisocyanates (e.g. Desmodur® N 3600, N 3900 , XP 2730) and/or with hydrophilic polyisocyanates (e.g. Bayhydur 3100, 304, 305, XP 2487/1, XP 2655) high performance, hard-elastic two-component polurethane-hydrocoatings can be formulated. 收起
Request Sample Bayhydrol® UH 2305 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2305 is an aliphatic, anionic/non-ionic polyester-polyurethane dispersion that is a shear-stable combination binder used in the formulation of flexible two-component polyurethane top coats with pleasant handle, e.g. soft-feel systems. This p...展開 Bayhydrol® UH 2305 is an aliphatic, anionic/non-ionic polyester-polyurethane dispersion that is a shear-stable combination binder used in the formulation of flexible two-component polyurethane top coats with pleasant handle, e.g. soft-feel systems. This product has an efflux time at 23°C, (4mmcup) of 11-18, a non-volatile content (1g / 1h / 125°C) of 39-41, and a pH value of 6.5-8.5. Bayhydrol® UH 2305 can be used as a combination binder with hydroxy-functional resins, primarily Bayhydrol® U XP 2428, in the formulation of highly flexible two-component polyurethane top coats, e.g. soft-feel systems. After crosslinking with, for example, Bayhydur® 3100, force-drying (e.g. 30 - 45 min at 80 °C) yields films with a pleasant handle and good resistance to abrasion and water. 收起
Request Sample Bayhydrol® UH 2342 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2342 is a water-dispersible, anionic, fatty acid modified polyurethane dispersion that is useful as a binder in the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g ...展開 Bayhydrol® UH 2342 is a water-dispersible, anionic, fatty acid modified polyurethane dispersion that is useful as a binder in the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g / 1h / 125°C) of 34-36, a viscosity at 23°C, (D = approx. 100/s) of max. 100, and a pH (1:2.5 in demineralised water) level of 6.7-8.2. Due to the product's mechanical and chemical resistance properties, especially its black heel mark resistance, it is ideally suited for the formulation of parquet sealers. A combination with other water-reducible binders is possible because of the many potential combination products. 收起
Request Sample Bayhydrol® UH 240 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 240 is an anionic polyester polyurethane dispersion used as combination binder in highly flexible, water-thinnable, air- and force-drying primers and one-coat finishes for plastics. It gives good surface handle and good resistance to abrasio...展開 Bayhydrol® UH 240 is an anionic polyester polyurethane dispersion used as combination binder in highly flexible, water-thinnable, air- and force-drying primers and one-coat finishes for plastics. It gives good surface handle and good resistance to abrasion/water. This product has an Efflux time at 23°C, (4mmcup) of max. 70, a non-volatile content (1g / 1h / 125°C) of 39-41, and a pH value of 6-8, and a mean particle size of max. 210. Bayhydrol® UH 240 can be used in combination with hydrofunctional resins, preferably Bayhydrol® U XP 2428, and U 355 either U 475, in the formulation of highly flexible two-component polyurethane top coats (e.g. in soft-feel coating systems). After cross-linking, Bayhydur® 3100 force-drying (e.g. 30 - 45 min at 80°C) yields films with good surface handle and good resistance to abrasion and water. 收起
Request Sample Bayhydrol® UH 2557 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2557 is a cosolvent free aliphatic, anionic, fatty acid-modified polyurethane dispersion used as a binder in the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g / 1...展開 Bayhydrol® UH 2557 is a cosolvent free aliphatic, anionic, fatty acid-modified polyurethane dispersion used as a binder in the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g / 1h / 125°C) of 34-36, a viscosity at 23°C, (D = approx. 100/s) of max. 100, and a pH (1:2.5 in demineralised water) of 7-9. Due to its mechanical and chemical resistances, in particular black heel mark resistance, the product is particularly well suited for the formulation of parquet sealers. Post-curing of such coatings with Bayhydur®, for example, brings additional advantages and results in waterborne two-component coatings with even higher mechanical and chemical resistance. The mixing ratio of mill base to hardener is generally 10:1. The product can also be combined with other water-reducible binders. On account of the many potential co-reactants, compatibility testing should always be carried out. 收起
Request Sample Bayhydrol® UH 2558 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2558 is a cosolvent-free aliphatic, anionic polyurethane dispersion used as a binder in the formulation of water-reducible coatings and sealers. This product has a non-volatile content (1g / 1h / 125°C) of 35-39, an Efflux time at 23°C, (4mm...展開 Bayhydrol® UH 2558 is a cosolvent-free aliphatic, anionic polyurethane dispersion used as a binder in the formulation of water-reducible coatings and sealers. This product has a non-volatile content (1g / 1h / 125°C) of 35-39, an Efflux time at 23°C, (4mmcup) of max. 40, and a pH (1:3 in demineralised water) value of 7-9. The product is characterized by high resistance to yellowing, very good wet film transparency and very good abrasion resistance (taber), where the films are hard but flexible. Post-curing of such coatings with Bayhydur®, for example, brings additional significant advantages and results in waterborne two-component coatings with significantly higher mechanical and chemical resistance. The mixing ratio of mill base to hardener is generally 10:1. Compatibility with affordable PAC dispersions is good but must be tested on a case-by-case basis. 收起
Request Sample Bayhydrol® UH 2593/1 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2593/1 is an aliphatic, fatty acid-modified, anionic polyurethane dispersion that is a binder for the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g / 1h / 125°C) ...展開 Bayhydrol® UH 2593/1 is an aliphatic, fatty acid-modified, anionic polyurethane dispersion that is a binder for the formulation of water-reducible coatings and sealers for wood and wood materials. This product has a non-volatile content (1g / 1h / 125°C) of 34-36, a viscosity at 23°C, (D=ca.100) of ≤ 250, and a pH (1:2.5in demineralised water) of 7-9. The product was developed specifically for the formulation of one- and two-component wood coating systems. It is characterized by very good wet film transparency, high hardness and good black heel mark resistance. Post-curing of such coatings with Bayhydur® 305 or Bayhydur® 3100, for example, brings additional significant advantages and results in waterborne two-component coatings with even higher mechanical and chemical resistance. The mixing ratio of mill base to hardener solution is generally 10:1. The product is also suitable for use in a wide range of applications thanks to the combination of good application properties and good compatibility with cost-effective PAC dispersions. 收起
Request Sample Bayhydrol® UH 2606 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2606 is a solvent-free anionic polyurethane dispersion containing polycarbonate that is used as a binder for the formulation of water-reducible coatings for plastic substrates and wood materials. This product has an Efflux time at 23°C (4mmc...展開 Bayhydrol® UH 2606 is a solvent-free anionic polyurethane dispersion containing polycarbonate that is used as a binder for the formulation of water-reducible coatings for plastic substrates and wood materials. This product has an Efflux time at 23°C (4mmcup) of 12-60, a non-volatile content (1g / 1h / 125°C) of 34-36, and a pH value of 7-9. The product was designed specifically for the coating of plastic substrates. In addition the use in the formulation of PVC floor coatings, the binder exhibits a high grade property profile on a variety of substrates. Filler and topcoat applications (one and two-component) are also plausible. Other possibilities are wood and furniture applications. Bayhydrol UH 2606 yields coatings with good leveling, chemical and weather stabilities. They are also characterized by a tough but flexible property profile. Very good combinations are possible with polyester, polyurethane and acrylic dispersions, and combinations with waterborne UV systems are possible. Resistances can also be improved by post-curing with e.g. Bayhydur®. The mixing ratio of mill base to hardener is generally 10:1. 收起
Request Sample Bayhydrol® UH 2952/1 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 2952/1 is an aliphatic polyurethane resin dispersion used as a binder for waterborne, air- and oven-drying basecoats in two-layer systems for automotive coatings, coatings for plastics, automotive refinishing coatings and industrial coatings...展開 Bayhydrol® UH 2952/1 is an aliphatic polyurethane resin dispersion used as a binder for waterborne, air- and oven-drying basecoats in two-layer systems for automotive coatings, coatings for plastics, automotive refinishing coatings and industrial coatings. This product has an Efflux time at 23°C, (4mmcup) of 10-30, a non-volatile content (1g / 1h / 125°C) of 39-41, and a pH value of 6.5-7.5. When used in two-layer systems with TSA and two-component polyurethane clearcoats, metallic basecoats formulated with Bayhydrol® UH 2952/1 are characterized by even, cloud-free films with a very good metallic effect, excellent gloss and good water resistance. Since it adheres to OEM finishes without prior sanding, the metallic basecoat can also be used for online retouching (45 min at 80°C). The metallic basecoat can be oversprayed with TSA or two-component polyurethane clearcoats after pre-drying e.g. for 5 minutes at an oven temperature of 80°C or for 15 minutes at room temperature. 收起
Request Sample Bayhydrol® UH 340/1 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 340/1 is an aliphatic anionic polyurethane dispersion used as binder in formulation of highly flexible water-thinnable coatings for wood, metal, plastics and mineral substrates. This product is a combination binder to improve elasticity/flex...展開 Bayhydrol® UH 340/1 is an aliphatic anionic polyurethane dispersion used as binder in formulation of highly flexible water-thinnable coatings for wood, metal, plastics and mineral substrates. This product is a combination binder to improve elasticity/flexibility of water-thinnable coatings. This product has an Efflux time at 23°C, (4mmcup) of max. 70, a non-volatile content (1g / 1h / 125°C) of 39-41, a pH value of 6-7, and a mean particle size of 120-220. Bayhydrol® UH 340/1 can be used as the sole binder in the formulation of flexible lightfast coatings. The product is also suitable for combination with other water-thinnable binders. The pH of ready-to-use coatings should be between 7 and 8. Substances such as ammonia can be used to adjust the pH. Yellowing has sometimes been observed on maple. 收起
Request Sample Bayhydrol® UH 650 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH 650 is a solvent-free, aliphatic polyurethane resin dispersion in water that can be used as a binder for waterborne, air- and oven-drying base coats in two-coat systems for the coating of plastics, and as a combination binder for soft-touch ...展開 Bayhydrol® UH 650 is a solvent-free, aliphatic polyurethane resin dispersion in water that can be used as a binder for waterborne, air- and oven-drying base coats in two-coat systems for the coating of plastics, and as a combination binder for soft-touch coatings. This product has an Efflux time at 23°C, (4mmcup) of 12-30, a non-volatile content (1g / 1h / 125°C) of 48-52, and a pH value of 6-8. When used in two-layer systems with two-component polyurethane clearcoats, metallic basecoats formulated with Bayhydrol® UH 650 are characterized by good adhesion to many types of plastics, good overcoatability and good water resistance. The metallic basecoat can be oversprayed with a two-component polyurethane clearcoat after predrying e.g. for 5 min at an ambient temperature of 80°C or for 15 min at room temperature. 收起
Request Sample Bayhydrol® UH XP 2592 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH XP 2592 is a Polyester-Polyurethane dispersion which dries by oxidation. It can be used as a binder in the formulation of aqueous air- and forced-drying, high-gloss coatings and primers with very good anti-corrosion properties. Mainly used f...展開 Bayhydrol® UH XP 2592 is a Polyester-Polyurethane dispersion which dries by oxidation. It can be used as a binder in the formulation of aqueous air- and forced-drying, high-gloss coatings and primers with very good anti-corrosion properties. Mainly used for general industrial finishes. This product has an acid value of approx. 12, a viscosity at 23°C, (D=approx.40s-1) of approx. 300, a non-volatile content (1g / 1h / 125°C) of approx. 45, and a pH (1:4 in demineralised water) of approx. 7.2. Bayhydrol® UH XP 2592 does not contain any cosolvents, no anti skinning agents and no driers and is therefore label-free. Coatings based on this resin show a quick drying and after drying a quite high hardness. After curing over night a very good water-resistance is achievable. High-gloss coatings, however, need a certain amount of suitable co-solvents and additional amine in the formulation. Bayhydrol® UH XP 2592 can be used as universal resin for high-gloss top coats, effect coats and - due to its excellent anti-corrosion properties – as raw material for primers and single coats. 收起
Request Sample Bayhydrol® UH XP 2660 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH XP 2660 is an aliphatic polyester-polyurethane dispersion that is cosolvent-free. It is a combination binder for the formulation of water-reducible soft-feel coatings. This product has an Efflux time at 23°C, (4mmcup) of 10-30, a non-volati...展開 Bayhydrol® UH XP 2660 is an aliphatic polyester-polyurethane dispersion that is cosolvent-free. It is a combination binder for the formulation of water-reducible soft-feel coatings. This product has an Efflux time at 23°C, (4mmcup) of 10-30, a non-volatile content (1g / 1h / 125°C) of 39-41, and a pH (10% in water) of 6-8. Bayhydrol® UH XP 2660 can be used as a binder in combination with hydrofunctional resins, preferably Bayhydrol® U 355 or U 475, in the formulation of highly flexible two-component polyurethane topcoats (e.g. in soft-touch coating systems). When crosslinking with e.g. Bayhydur® 3100, force drying (e.g. 30-45 min at 80°C) yields films with good surface handle, very good resistance to solvents and very good hydrolytic stability. 收起
Request Sample Bayhydrol® UH XP 2719 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UH XP 2719 is a solvent-free aliphatic, polyester-based, anionic polyurethane dispersion that is used as a binder for the formulation of water-reducible one and two-component coatings and sealers. This product has an average particle size of ap...展開 Bayhydrol® UH XP 2719 is a solvent-free aliphatic, polyester-based, anionic polyurethane dispersion that is used as a binder for the formulation of water-reducible one and two-component coatings and sealers. This product has an average particle size of approx. 100, a minimum film-forming temperature of 21, and a density of 1,06. The product is characterized by fast drying and good blocking resistance. It can be used in both one-component and two-component formulations, and can also be combined with other anionic, hydrophilized dispersions, such as polyacrylate and polyurethane dispersions. 收起
Request Sample Bayhydrol® UV 2282 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV 2282 is a waterborne, UV-curing polyurethane dispersion that can be used in the formulation of physically drying, waterborne UV-curing wood and plastic coatings. This product has a flow time at 23°C, (4mmcup) of ≤ 50, a non-volatile content ...展開 Bayhydrol® UV 2282 is a waterborne, UV-curing polyurethane dispersion that can be used in the formulation of physically drying, waterborne UV-curing wood and plastic coatings. This product has a flow time at 23°C, (4mmcup) of ≤ 50, a non-volatile content (1g / 1h / 125°C) of 39 ± 1, and a pH level of 7.75 ± 0.75. Bayhydrol® UV 2282 is used in the formulation of High Quality Waterborne UV-curing Wood coatings, that will normally pass the DIN 68 861-1B norm. After the water has evaporated, the coating is physically dry and handable. UV-Curing (10 m/min per 80 W/cm lamp) will result in a very high final quality. The photo initiator demand is low, 1-2% will be enough (by wt., calculated on solid binder). Coatings based on Bayhydrol® UV 2282 will show good adherence to many substrates, including plastics. 收起
Request Sample Bayhydrol® UV 2317 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV 2317 is a urethane acrylate dispersion that can be used in the formulation of physically drying aqueous UV-curing coatings. This is a clear lacquer that is characterized by its good reemulsification properties and high wet film transparency....展開 Bayhydrol® UV 2317 is a urethane acrylate dispersion that can be used in the formulation of physically drying aqueous UV-curing coatings. This is a clear lacquer that is characterized by its good reemulsification properties and high wet film transparency. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 35.5-37.5, a flow time at 23°C, (4 mm cup) of 15-80, and a pH-value of 6.8-8.5. Bayhydrol® UV 2317 is used in the formulation of aqueous UV-curing coatings, especially for application on wood/wood materials. Generally speaking, the coated surfaces can be sanded before UV curing. Additions of 1-2.5% by wt. photoinitiator, calculated on the solid binder, have proved suitable for initiating the curing reaction. The viscosity is adjusted by the addition of polyurethane thickeners. If antifoams are used, they should be thinned in solvents, especially if application is by curtain coating. 收起
Request Sample Bayhydrol® UV 2689/1 XP Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV 2689/1 XP is a UV-curable aliphatic polyurethane dispersion, which can be used in the formulation of industrial waterborne UV clear and pigmented coatings. Main applications of this product are plastic coatings (e.g mobile phones) and wood c...展開 Bayhydrol® UV 2689/1 XP is a UV-curable aliphatic polyurethane dispersion, which can be used in the formulation of industrial waterborne UV clear and pigmented coatings. Main applications of this product are plastic coatings (e.g mobile phones) and wood coatings. Before UV curing, the surface of dried films is soft and slightly tacky, whereas after UV-curing, the coatings are hard with high chemical and mechanical resistance. The product is suitable to achieve high gloss coatings. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 40.0-44.0, a flow time at 23°C, (4 mm cup) of 15.0-50.0, and a pH level of 7.0-8.5. This product is especially suitable for 3C plastic applications e.g. mobile phones and laptops where high performance coatings are required. It is possible to formulate hard high gloss or deep matt clear coats as well as single layer metallic coatings. The resulting coating provides excellent performance meeting the strict requirements of 3C applications. 收起
Request Sample Bayhydrol® UV 2720/1 XP Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV 2720/1 XP is used for the formulation of waterborne UV coatings for industrial coating of plastics and wood and other substrates, and is particularly suitable for pigmented systems. As a thermoformable product, it is an ideal solution for po...展開 Bayhydrol® UV 2720/1 XP is used for the formulation of waterborne UV coatings for industrial coating of plastics and wood and other substrates, and is particularly suitable for pigmented systems. As a thermoformable product, it is an ideal solution for postformable coatings. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 39-41, a flow time at 23°C, (4 mm cup) of 15-50, and a pH level of 7.0-9.0. Bayhydrol® UV 2720/1 XP is used for the formulation of waterborne UV coatings, in particular for applications that require good blocking resistance after water evaporation and before UV cure (wood, plastic, pigmented systems). The addition of 1.0 to 2.5 wt. photoinitiator relative to binder has proven effective for initiation. Viscosity is adjusted by the addition of polyurethane thickeners. As the dispersion has a relatively high surface tension, the formulation should always contain a wetting agent, such as BYK® 348 (BYK). Matting agents and additives can be dispersed directly into the formulation using a dissolver. 收起
Request Sample Bayhydrol® UV XP 2687 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV XP 2687 is an urethane Acrylate Emulsion that is used in the formulation of waterborne UV curable coatings for wood. It is an emulsion type with high gloss and strong body. This product has a non-volatile content (1g / 1h / 125°C, convection...展開 Bayhydrol® UV XP 2687 is an urethane Acrylate Emulsion that is used in the formulation of waterborne UV curable coatings for wood. It is an emulsion type with high gloss and strong body. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 46.0-51.0, a viscosity at 23°C of 50-500, and a ph-value of 6.8-8.5. Bayhydrol® UV XP 2687 is used for the formulation of waterborne UV coatings, especially for application on wood/wood materials. As the dispersion has a relatively high surface tension, the formulation should always contain a wetting agent, such as BYK® 348 (BYK), Surfinol MD 20 (Airproducts) or EFKA 3024 (BASF).Viscosity is set by the addition of polyurethane thickeners. Matting agents should be added in the form of pastes. 收起
Request Sample Bayhydrol® UV XP 2690 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydrol® UV XP 2690 is a UV-curing PU-dispersion that is used for the formulation of waterborne UV coatings for wood and plastic coatings. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 38-40, a viscosity at 23°C of < 80, ...展開 Bayhydrol® UV XP 2690 is a UV-curing PU-dispersion that is used for the formulation of waterborne UV coatings for wood and plastic coatings. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 38-40, a viscosity at 23°C of < 80, and a pH level of approx. 7.5-9. For the formulation of weather resistant coatings, the use of light protecting agents (preferably a combination of UV absorbers and hindered amine light stabilizers) is recommended. A modification of the photoinitiator component towards longer absorbing types (MAPO, BAPO) might be necessary. The resulting formulation should always be tested in weathering experiments with regard to the specific substrate, application and curing conditions. 收起
Request Sample Bayhydrol® UV XP 2775 Covestro (formerly Bayer MaterialScience) 科思创 聚氨酯丙烯酸酯分散體,無溶劑,用於制備水性紫外光固化的木器和塑料用清漆或色漆,尤其是顏料含量很高的木器漆。
Request Sample Bayhydur® 304 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® 304 is hydrophilically modified, aliphatic polyisocyanate based on hexamethylate diisocyanate (HDI). It is as the hardener/binder component for high-quality waterborne polymer dispersions and as an additive to improve the property level of water...展開 Bayhydur® 304 is hydrophilically modified, aliphatic polyisocyanate based on hexamethylate diisocyanate (HDI). It is as the hardener/binder component for high-quality waterborne polymer dispersions and as an additive to improve the property level of waterborne coating and adhesive systems. This product has a NCO content of 18.2 ± 0.5, a viscosity at 23°C of 4,000 ± 1,500, a hazen color value of ≤ 60, and a monomeric HDI content of < 0.15. This product is used mainly as the crosslinking partner for waterborne polyol binders (Bayhydrol®) and as a crosslinker for largely pH-neutral waterborne polymer dispersions, including polyurethane (Dispercoll® U), polyvinyl acetate, polyacrylate and synthetic rubber dispersions. 收起
Request Sample Bayhydur® 305 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® 305 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) that is used as a hardener for aqueous two-component polyurethane systems. This product has a NCO content of 16.2 ± 0,4, a viscosity at 23°C of 6,500 ± 1,500...展開 Bayhydur® 305 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) that is used as a hardener for aqueous two-component polyurethane systems. This product has a NCO content of 16.2 ± 0,4, a viscosity at 23°C of 6,500 ± 1,500, a hazen color value of ≤ 150, and a monomeric HDI content of < 0.15. Bayhydur® 305 is a crosslinker for aqueous coatings. It was developed specially for trade applications where the ease of mixing the hardener by shaking or manual stirring is a key requirement. Despite pre-thinning, the coating yields transparent glossy films. The mixing ratio of mill base to hardener is usually 10:1. 收起
Request Sample Bayhydur® 3100 Covestro (formerly Bayer MaterialScience) 科思创 親水脂肪族異氰酸脂,基於六亞甲基二異氰酸酯。用作高質量水性雙組分聚氨酯的硬化劑,以及提升水性涂料性能的添加劑。
Request Sample Bayhydur® 401-70 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® 401-70 is a hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), which is used as the co-reactant for aqueous resins and as the hardener for chemically resistant and weather-stable coating systems. This prod...展開 Bayhydur® 401-70 is a hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), which is used as the co-reactant for aqueous resins and as the hardener for chemically resistant and weather-stable coating systems. This product has a NCO content of 9.4 ± 0.5, a non-volatile content (0.2g / 60min / 120°C) of 70 ± 2, and a viscosity at 23°C,(D=81,8s-1) of 600 ± 200. Bayhydur® 401-70 is mainly used as the co-reactant for aqueous polyol binders from the Bayhydrol® range. Due to its hydrophilic character, Bayhydur® 401-70 can be easily emulsified in the aqueous phase. The properties (e.g. resistance to chemicals and solvents) of aqueous two-component polyurethane coatings can be improved by the addition of Bayhydur® 401-70. 收起
Request Sample Bayhydur® BL 5335 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® BL 5335 is a hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W, in combination with Bayhydrol® grade OH-functional polymers for the formulation of lightfast, single-component polyurethane baking coatings. This product has a no...展開 Bayhydur® BL 5335 is a hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W, in combination with Bayhydrol® grade OH-functional polymers for the formulation of lightfast, single-component polyurethane baking coatings. This product has a non-volatile content (1g / 1h / 105°C) of 34-36, a flow time at 23°C, (4mmcup) of 10-30, a pH at 20°C of 4.4-6.0. Bayhydur® BL 5335 is a blocked polyisocyanate and was developed for industrial use. It is used as a hardener for the formulation of lightfast one-component polyurethane baking coatings suitable for spray, dip or roller application. The product is preferably used in glass coating applications. It can be used in combination with Bayhydrol® U XP 2239 for the formulation of hydrolytically stable coatings with good glass adhesion and outstanding resistance to solvents and chemicals, in particular sodium hydroxide. Baking parameters are 30 minutes at 170°C. 收起
Request Sample Bayhydur® BL XP 2706 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® BL XP 2706 is a reactive, blocked aliphatic polyisocyanate used in combination with Bayhydrol® polyols for the formulation of water-reducible, lightfast one-component polyurethane baking coatings and as an additive in waterborne baking systems t...展開 Bayhydur® BL XP 2706 is a reactive, blocked aliphatic polyisocyanate used in combination with Bayhydrol® polyols for the formulation of water-reducible, lightfast one-component polyurethane baking coatings and as an additive in waterborne baking systems to improve hardness, impact strength, chemical resistance and adhesion. 收起
Request Sample Bayhydur® XP 2451 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® XP 2451 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). It can be used as the hardener component in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive r...展開 Bayhydur® XP 2451 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). It can be used as the hardener component in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU); also as an additive to enhance the property profile of waterborne coating systems. Due to its hydrophilic character, Bayhydur® XP 2451 can be easily emulsified in the aqueous phase. It is used mainly as the crosslinking agent for aqueous polyol binders (Bayhydrol®). Bayhydur® XP 2451 can also be added to conventional OH-free dispersions to improve their property profiles. 收起
Request Sample Bayhydur® XP 2487/1 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® XP 2487/1 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), that can be used as a hardener for water borne two-component polyurethane systems. Bayhydur® XP 2487/1 is a crosslinking agent for waterborne systems...展開 Bayhydur® XP 2487/1 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), that can be used as a hardener for water borne two-component polyurethane systems. Bayhydur® XP 2487/1 is a crosslinking agent for waterborne systems from which reliable incorporation and high chemical resistance are required. The dispersibility of the product in water is influenced by organic cosolvents. 收起
Request Sample Bayhydur® XP 2547 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® XP 2547 is a solvent-free, water-dispersible polyisocyanate based on hexamethylene diisocyanate used as a crosslinking agent for two-component waterborne polyurethane coatings. Due to its hydrophilic character, Bayhydur® XP 2547 can be easily di...展開 Bayhydur® XP 2547 is a solvent-free, water-dispersible polyisocyanate based on hexamethylene diisocyanate used as a crosslinking agent for two-component waterborne polyurethane coatings. Due to its hydrophilic character, Bayhydur® XP 2547 can be easily dispersed in the aqueous phase. It is used primarily as the crosslinking agent for waterborne polyol binders (Bayhydrol®). The dispersibility of the product in water is influenced by organic cosolvents. 收起
Request Sample Bayhydur® XP 2655 Covestro (formerly Bayer MaterialScience) 科思创 基於六亞甲基二異氰酯(HDI)的親水性脂肪族聚異氰酸酯, 作為水性雙組分聚氨酯涂料體系的固化劑組分。
Request Sample Bayhydur® XP 2700 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® XP 2700 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), and acts as a hardener for aqueous two-component polyurethane systems. Bayhydur® XP 2700 is a crosslinker for aqueous coatings. It was developed specia...展開 Bayhydur® XP 2700 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), and acts as a hardener for aqueous two-component polyurethane systems. Bayhydur® XP 2700 is a crosslinker for aqueous coatings. It was developed specially for trade applications where the ease of mixing the hardener by manual stirring is a key requirement. 收起
Request Sample Bayhydur® XP 2759 Covestro (formerly Bayer MaterialScience) 科思创 Bayhydur® XP 2759 is an hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), that can be used as a hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2759 is mainly used as co-reactant for aqueous binders. B...展開 Bayhydur® XP 2759 is an hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), that can be used as a hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2759 is mainly used as co-reactant for aqueous binders. Because of its hydrophilic character, it can be easily emulsified in the aqueous phase. Bayhydur® XP 2759 yields coatings with high chemical and weather resistance. Bayhydur® XP 2759 can be combined with aliphatic HDI based Desmodur® or Bayhydur® grades in order to reduce drying times and increase hardness, weather resistance and open time as well as blister free film thickness. 收起
Request Sample Bayhytherm® 3146 Covestro (formerly Bayer MaterialScience) 科思创 水可稀釋的脂肪族自交聯烘干聚氨酯樹脂,用於水性單組分烘干聚氨酯體系。
Request Sample Baymedix® AP501 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® AP501 is an aliphatic NCO-terminated prepolymer based on hexamethylene diisocyanate.
Request Sample Baymedix® AR602 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® AR602 is a polyether polyol based on a tetra-functional starter molecule.
Request Sample Baymedix® CD102 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® CD102 is an aqueous polyurethane dispersion.
Request Sample Baymedix® CD104 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® CD104 is an aqueous polyurethane dispersion.
Request Sample Baymedix® FD103 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® FD103 is an aqueous polyurethane dispersion.
Request Sample Baymedix® FP503 Covestro (formerly Bayer MaterialScience) 科思创 Baymedix® FP503 is an aliphatic, hydrophilic NCO prepolymer blend based on hexamethylene diisocyanate (HDI).
Request Sample Crelan® EF 403 Covestro (formerly Bayer MaterialScience) 科思创 不含堵水劑的脂環聚脲二酮。用作聚氨酯粉末涂料的硬化劑。
Request Sample Crelan® NI-2 Covestro (formerly Bayer MaterialScience) 科思创 Crelan® NI-2 has a hazen color value of maximum 100, a glass transition tempurature of 55-60, and a non-blocked NCO-content of maximum 1.0. It is a blocked cycloaliphatic polyisocyanate used as the hardener component with hydroxyl functional polyester or ...展開 Crelan® NI-2 has a hazen color value of maximum 100, a glass transition tempurature of 55-60, and a non-blocked NCO-content of maximum 1.0. It is a blocked cycloaliphatic polyisocyanate used as the hardener component with hydroxyl functional polyester or acrylic resins. Coatings based on Crelan® NI-2 are characterized by their excellent flow properties and high gloss values. Depending on the polyester used, excellent gloss retention and chalking resistance in outdoor weathering can be obtained. 收起
Request Sample Crelan® NW-5 Covestro (formerly Bayer MaterialScience) 科思创 一種封閉型脂環異氰酸脂薄片,作為羥基聚酯的硬化劑,應用於靜電噴涂粉末涂料。
Request Sample Crelan® UI Covestro (formerly Bayer MaterialScience) 科思创 封閉型的脂環族多異氰酸酯,用作羥基聚酯的固化劑,制備靜電噴涂粉末涂料
Request Sample Crelan® VP LS 2256 Covestro (formerly Bayer MaterialScience) 科思创 封閉的脂環族多異氰酸酯,可作為固化劑組份與含羥基的聚酯制備靜電噴塗的聚氨酯粉末塗料。防腐性好,具有出色的流平效果和光澤
Request Sample Desmocap® 11 Covestro (formerly Bayer MaterialScience) 科思创 含醚和聚氨酯基團的枝化聚合物,用以提高環氧樹脂的柔韌性,或用於制備柔韌性好的涂料和密封膏
Request Sample Desmocap® 12 Covestro (formerly Bayer MaterialScience) 科思创 帶醚和聚氨酯基團的線性聚合物,用作環氧樹脂軟化和配置柔韌性涂料和封閉劑的原材料。
Request Sample Desmodur® 2460 M Covestro (formerly Bayer MaterialScience) 科思创 單體二苯基甲烷二異氰酸酯,高2,4\'異構體含量,貯存期間不發生變色。用於聚氨酯涂料和粘膠的單/雙組分預聚物配方及相關應用領域。
Request Sample Desmodur® 44 M Flakes Covestro (formerly Bayer MaterialScience) 科思创 單體二苯甲烷-4,4'-二異氰酸酯,適用於膠粘劑和聚氨酯涂料樹脂配方
Request Sample Desmodur® 44 M Fused Covestro (formerly Bayer MaterialScience) 科思创 一種單體二異氰酸酯,用於粘膠和聚氨酯涂料樹脂的配方。
Request Sample Desmodur® 44 M Liquid Covestro (formerly Bayer MaterialScience) 科思创 單體二苯基甲烷-4,4'-二異氰酸酯(MDI)。適合用於配制膠粘劑和聚氨酯塗料樹脂
Request Sample Desmodur® 44 MC Flakes Covestro (formerly Bayer MaterialScience) 科思创 一種單體二苯基甲烷-4,4\'-二異氰酸酯。用於粘膠和聚氨酯涂料樹脂的配方。
Request Sample Desmodur® 44 MC Fused Covestro (formerly Bayer MaterialScience) 科思创 單體二苯甲烷-4,4'-二異氰酸酯,適用於膠粘劑和聚氨酯涂料樹脂配方
Request Sample Desmodur® 44 MC Liquid Covestro (formerly Bayer MaterialScience) 科思创 一種單體二苯基甲烷-4,4\'-二異氰酸酯。用於粘膠和聚氨酯涂料樹脂的配方。
Request Sample Desmodur® BL 1100/1 Covestro (formerly Bayer MaterialScience) 科思创 封閉的芳香族多異氰酸酯,基於TDI,不含溶劑
Request Sample Desmodur® BL 3175 SN Covestro (formerly Bayer MaterialScience) 科思创 基於HDI的交聯烘干聚氨酯樹脂,與Desmophen配合用於耐光照單組分聚氨酯烘干涂料﹔提高傳統烘干體系的柔韌性/附著力。
Request Sample Desmodur® BL 3272 MPA Covestro (formerly Bayer MaterialScience) 科思创 脂肪族交聯型烘干聚氨酯樹脂,可結合Desmophen®和Alkynol®牌號的樹脂,用於制備耐褪色,單組份烘干聚氨酯涂料。添加到常規烘干涂料體系中,可提高彈性/附著力。
Request Sample Desmodur® BL 3370 MPA Covestro (formerly Bayer MaterialScience) 科思创 脂肪族交聯型烘干聚氨酯樹脂,結合Alkynol®, Desmophen®牌號的樹脂,用於制備耐褪色,單組份烘干聚氨酯涂料,具有高抗黃變性能。為常規烘干涂料提供更佳的柔韌性,附著力和耐候性。
Request Sample Desmodur® BL 3475 BA/SN Covestro (formerly Bayer MaterialScience) 科思创 脂肪族交聯型烘干聚氨酯樹脂,結合Desmophen®和Alkynol®牌號的樹脂,用於制備耐褪色,單組份烘干聚氨酯涂料。添加到常規烘干涂料體系中,可提高柔韌性/附著力/耐候性。
Request Sample Desmodur® BL 3575/1 MPA/SN Covestro (formerly Bayer MaterialScience) 科思创 可結合Desmophen牌號產品配制耐光的單組份烘烤聚氨酯塗料
Request Sample Desmodur® BL 4265 SN Covestro (formerly Bayer MaterialScience) 科思创 脂肪族交聯型烘干聚氨酯樹脂,結合多元醇組分,用於制備耐褪色,單組份聚氨酯烘干涂料。
Request Sample Desmodur® BL 5375 Covestro (formerly Bayer MaterialScience) 科思创 封閉的脂肪族多異氰酸酯,基於H12MDI。結合含羥基的多醇,特別是Desmophen®牌號,可配制耐光性單組份聚氨酯烤漆;也可作為助劑用於常規烤漆體系中改進附著力和柔韌性