| Desmodur® VL | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® VL is an aromatic polyisocyanate based on diphenylmethane diisocyanate that is used in combination with Desmophen grades in solvent-free two-pack polyurethane coatings, fillers, sealing compounds and synthetic resin mortars. It is a brown, solve...voir plus Desmodur® VL is an aromatic polyisocyanate based on diphenylmethane diisocyanate that is used in combination with Desmophen grades in solvent-free two-pack polyurethane coatings, fillers, sealing compounds and synthetic resin mortars. It is a brown, solvent-free liquid with a low viscosity (25°C) of 90 ± 20 mPa·s. This product has an NCO of 31.5 ± 0.5%, a flash point of approx. 229°C, and an equivalent weight of approx. 133. Desmodur® VL is combined with, for example, Desmophen® 1145, 1150, 1155, 5028 GT and 1380 BT. Depending on the Desmophen® product used, the coatings yielded can be varied from hard to flexible. It is necessary to add water scavengers such as molecular sieve paste® 3 Å to the polyol component to prevent the undesired reaction of Desmodur® VL with water. Systems formulated with Desmodur® VL are suitable for coating concrete, asphalt, fibrous cement and plastics. voir moins | |
| Desmodur® PF | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI) that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives. It is a solvent-free, colourless to yellowish liq...voir plus Desmodur PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI) that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives. It is a solvent-free, colourless to yellowish liquid of medium viscosity at temperatures above 20°C that crystallises at lower temperatures. This product has an NCO content of 23.0 ± 0.5%, a viscosity at 25°C of 600 ± 100 mPa·s, a hydrolysable chlorine (Cl) amount of max. 50mg/kg, and a density at 25°C of approx. 1.21g/cm^3. Desmodur® PF can be combined with Desmophen®, Baycoll® or Acclaim® in the formulation of adhesives for bonding many materials, e.g. wood, metal and plastics. Desmodur® PF is particularly suitable for combining with Baycoll® in the formulation of reactive two-component adhesives and moisture-curing one-component adhesives. voir moins | |
| Desmodur® N 3300 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3300 is a solvent-free, aliphatic polyisocyanate used as the hardener component for lightfast two-pack polyurethane coatings. This product has an NCO content of 21.8 ± 0.3%, a viscosity at 25°C of approx. 2500 mPa·s, and a flash point of appro...voir plus Desmodur® N 3300 is a solvent-free, aliphatic polyisocyanate used as the hardener component for lightfast two-pack polyurethane coatings. This product has an NCO content of 21.8 ± 0.3%, a viscosity at 25°C of approx. 2500 mPa·s, and a flash point of approx. 158°C. Desmodur® N 3300 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3300 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® N 3600 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3600 is a solvent-free, aliphatic polyisocyanate (low-viscosity HDI trimer) that is ideally used as the hardener component for flexible, lightfast polyurethane coating systems. It has a viscosity at 25°C of approx. 1,100mPa·s, a density at 20°...voir plus Desmodur® N 3600 is a solvent-free, aliphatic polyisocyanate (low-viscosity HDI trimer) that is ideally used as the hardener component for flexible, lightfast polyurethane coating systems. It has a viscosity at 25°C of approx. 1,100mPa·s, a density at 20°C of approx. 1.16g/ml, and an NCO content of 23.0 ± 0.5%. The main applications for systems based on Desmodur® N 3600 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. On account of its low viscosity, Desmodur® N 3600 is particularly suitable for the formulation of high-solids coatings and can also be used as the hardener for aqueous two-component polyurethane coatings. voir moins | |
| Desmodur® N 3900 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3900 is a low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate, and can be used as the hardener for weather-stable coating systems. It has an NCO content of 23.5 ± 0.5% by wt., a monomeric HDI < 0.3%, a density of ...voir plus Desmodur® N 3900 is a low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate, and can be used as the hardener for weather-stable coating systems. It has an NCO content of 23.5 ± 0.5% by wt., a monomeric HDI < 0.3%, a density of approx. 1.15g/cm^3, and a viscosity at 23°C of 730 ± 100 mPa·s. Desmodur® N 3900 is used to formulate high-solids systems for automotive refinishing, transportation coating and plastics coating. voir moins | |
| Desmodur® N 100 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 100 is a solvent-free, aliphatic polyisocyanate (HDI buret) resin recommended for use as the hardener component for lightfast polyurthane coating systems in two-component clear and pigmented interior and exterior finishes. This product has a ...voir plus Desmodur® N 100 is a solvent-free, aliphatic polyisocyanate (HDI buret) resin recommended for use as the hardener component for lightfast polyurthane coating systems in two-component clear and pigmented interior and exterior finishes. This product has a flash point of approx. 181°C, viscosity at 25°C of approx. 8,000 mPa·s, and an equivalent weight of approx. 191. Desmodur® N 100 is used primarily as the hardener component for lightfast two-pack polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 100 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. voir moins | |
| Desmodur® N 3200 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3200 is a solvent-free, aliphatic polyisocyanate resin suitable for the formulation of high-solids two-component coating materials for a variety of applications. This product has an equivalent weight of approx. 183, a flash point of approx. 17...voir plus Desmodur® N 3200 is a solvent-free, aliphatic polyisocyanate resin suitable for the formulation of high-solids two-component coating materials for a variety of applications. This product has an equivalent weight of approx. 183, a flash point of approx. 170°C, a color value (hazen) of ≤ 40, and a viscosity at 25°C of approx. 2,100 mPa·s. Desmodur® N 3200 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3200 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. voir moins | |
| Desmodur® XP 2580 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2580 is an aliphatic polyisocyanate based on hexamethylene diisocyanate. It is used as the hardener component for lightfast, weather-stable coating systems. As a particularly low-viscosity polyisocyanate, Desmodur® XP 2580 is particularly wel...voir plus Desmodur® XP 2580 is an aliphatic polyisocyanate based on hexamethylene diisocyanate. It is used as the hardener component for lightfast, weather-stable coating systems. As a particularly low-viscosity polyisocyanate, Desmodur® XP 2580 is particularly well suited for the formulation of high-solids coatings for general industrial coating, automotive refinishing, transportation and plastics coating applications. This product has an equivalent weight of approx. 215, a flash point of 193°C, and a density at 20°C of 1.106g/cm^3. voir moins | |
| Desmodur® N 3800 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3800 is a solvent-free aliphatic polyisocyanate (flexibilizing HDI trimer) that is used as a hardener component for lightfast polyurethane coating systems. It has an NCO content of 11.0 ± 0.5%, a viscosity at 25°C of approx. 5,500 mPa·s, and a...voir plus Desmodur® N 3800 is a solvent-free aliphatic polyisocyanate (flexibilizing HDI trimer) that is used as a hardener component for lightfast polyurethane coating systems. It has an NCO content of 11.0 ± 0.5%, a viscosity at 25°C of approx. 5,500 mPa·s, and a monomeric HDI of ≤ 0.30%. The primary field of application for coating systems based on Desmodur® N 3800 are air and heat-drying automotive OEM, automotive refinishing and transportation coatings, as well as industrial coatings and coatings for plastics. voir moins | |
| Desmodur® XP 2489 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2489 is used primarily as the hardener component for light-fast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The main applications for s...voir plus Desmodur® XP 2489 is used primarily as the hardener component for light-fast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The main applications for systems based on Desmodur® XP 2489 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. This product has an NCO content of 21.0 ± 0.5%, a monomer content of < 0.5%, a viscosity at 23 °C of 22,500 ± 2,500 mPa·s, and a color value (hazen) of ≤ 100. voir moins | |
| Desmodur® XP 2675 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2675 is an aliphatic polyisocyanate (highly functional HDI trimer) that can be used as the hardener for lightfast, fast drying polyurethane coating systems with high chemical resistance and weather stability, very good gloss retention and out...voir plus Desmodur® XP 2675 is an aliphatic polyisocyanate (highly functional HDI trimer) that can be used as the hardener for lightfast, fast drying polyurethane coating systems with high chemical resistance and weather stability, very good gloss retention and outstanding mechanical properties. This product has an NCO content of 20.0 ± 1.0%, a an equivalent weight of approx. 210, and a flash point of approx. 247°C, voir moins | |
| Desmodur® XP 2565 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2565 is a low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate. It is used as the hardener component for weather-stable coating systems. In combination with HDI hardeners, the product is suitable for the formulation ...voir plus Desmodur® XP 2565 is a low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate. It is used as the hardener component for weather-stable coating systems. In combination with HDI hardeners, the product is suitable for the formulation of high-solids and waterborne two-component polyurethane systems for automotive refinishing, transportation and industrial coating applications. This product has a monomeric IPDI (supply form) of < 0.5%, a hazen color value of ≤ 60, and a flash point of approx. 38.5°C. voir moins | |
| Desmodur® VL 50 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® VL 50 is an aromatic polyisocyanate based on diphenylmethane diisocyanate used in combo with Desmophen grades for self-leveling, two-pack polyurethane coating and sealing compounds, as well as solvent-free, two-pack polyurethane primers and thin...voir plus Desmodur® VL 50 is an aromatic polyisocyanate based on diphenylmethane diisocyanate used in combo with Desmophen grades for self-leveling, two-pack polyurethane coating and sealing compounds, as well as solvent-free, two-pack polyurethane primers and thin-coat finishes. It is a brown, solvent-free liquid, with a low viscosity of 25°C of 22.5 ± 7.5 mPa·s. This product has an equivalent weight of 129, a flash point of > 200°C, and a density at 20°C of approx. 122g/ml. voir moins | |
| Desmodur® Z 4470 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 BA is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in n-butyl acetate, and is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has an ...voir plus Desmodur® Z 4470 BA is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in n-butyl acetate, and is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has an NCO content of 11.9 ± 0.4%, a non-volatile content (0.2g/1h/120°C) of 70 ± 2%, a viscosity at 23°C of 600 ± 200 mPa·s, a density at 20°C of approx. 1.06g/ml, and a monomeric IPDI of < 0.5%. The main applications for two-component coatings based on Desmodur® Z 4470 BA are in automotive OEM and automotive refinishing. As Desmodur® Z 4470 BA has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. On account of its high hardness, Desmodur® Z 4470 BA is normally mixed with Desmodur® N products. Preferred co-reactants are flexibilised polyacrylate polyols such as Desmophen® A 565 and A 575 and polyester polyols such as Desmophen® 670. voir moins | |
| Desmodur® Z 4470 SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 SN is an aliphatic polyisocyanate (IPDI trimer), with approx. 70 % in solvent naphtha® 100. It is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product ha...voir plus Desmodur® Z 4470 SN is an aliphatic polyisocyanate (IPDI trimer), with approx. 70 % in solvent naphtha® 100. It is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has a viscosity at 23°C of 2,000 ± 600 mPa·s, a viscosity at 25°C of approx. 1,700 mPa·s, and a density at 20°C approx. 1.05g/ml. On account of its high hardness, Desmodur® Z 4470 SN is normally mixed with Desmodur® N products. Preferred co-reactants are flexibilised polyacrylate polyols such as Desmophen® A 565 and A 575 and polyester polyols such as Desmophen® 670. As Desmodur® Z 4470 SN has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. voir moins | |
| Desmodur® N 3390 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3390 BA is an an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx...voir plus Desmodur® N 3390 BA is an an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 450 mPa·s, and a monomeric HDI of < 0.15%. Desmodur® N 3390 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3390 BA are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® N 3368 SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3368 SN is an aliphatic polyisocyanate, and is used as the hardener component for lightfast polyurethane coating systems. This product has a density at 20°C of approx. 1.06g/ml, an equivalent weight of approx. 284, a flash point of approx. 49°...voir plus Desmodur® N 3368 SN is an aliphatic polyisocyanate, and is used as the hardener component for lightfast polyurethane coating systems. This product has a density at 20°C of approx. 1.06g/ml, an equivalent weight of approx. 284, a flash point of approx. 49°C, and viscosity at 25°C of approx. 50 mPa·s. Desmodur® N 3368 SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3368 SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® N 3790 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3790 BA is an aliphatic polyisocyanate (high functional HDI trimer) that acts as the hardener component for lightfast, rapid-drying polyurethane coating systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at ...voir plus Desmodur® N 3790 BA is an aliphatic polyisocyanate (high functional HDI trimer) that acts as the hardener component for lightfast, rapid-drying polyurethane coating systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 23°C of 1,800 ± 500 mPa·s, and an equivalent weight of approx. 236. Desmodur® N 3790 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3790 BA are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® N 75 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 BA is an aliphatic polyisocyanate (HDI biuret). It is recommended to be used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120 min/100°C) of 75 ± 1%, a viscosity at 25°C ...voir plus Desmodur® N 75 BA is an aliphatic polyisocyanate (HDI biuret). It is recommended to be used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120 min/100°C) of 75 ± 1%, a viscosity at 25°C of approx. 140 mPa·s, and a color value (hazen) of ≤ 40. Desmodur® N 75 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants for the product are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 75 BA are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. voir moins | |
| Desmodur® N 75 MPA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 MPA is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. This product has a flash point of approx. 54°C, a monomeric HDI of < 0.5%, a viscosity at 23°C of 250 ± 75 mPa·s...voir plus Desmodur® N 75 MPA is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. This product has a flash point of approx. 54°C, a monomeric HDI of < 0.5%, a viscosity at 23°C of 250 ± 75 mPa·s, and an NCO content of 16.5 ± 0.3%. The main applications for systems based on Desmodur® N 75 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. voir moins | |
| Desmodur® BL 1100/1 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® BL 1100/1 is a blocked aromatic polyisocyanate based on TDI and is solvent-free. It can be used in combination with cycloaliphatic diamines such as Laromin® C 260 (BASF) to formulate highly flexible, one-component stoving coatings. This product ...voir plus Desmodur® BL 1100/1 is a blocked aromatic polyisocyanate based on TDI and is solvent-free. It can be used in combination with cycloaliphatic diamines such as Laromin® C 260 (BASF) to formulate highly flexible, one-component stoving coatings. This product has a color value (hazen) of ≤ 150, a viscosity at 23°C of 43,000 ± 10,000 mPa·s, and a free NCO content of < 0.2% voir moins | |
| Desmodur® N 3390 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur N 3390 BA/SN is an aliphatic polyisocyanate (HDI trimer) used as the hardener component for lightfast polyurethane coatings systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 500 mPa·s, and a...voir plus Desmodur N 3390 BA/SN is an aliphatic polyisocyanate (HDI trimer) used as the hardener component for lightfast polyurethane coatings systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 500 mPa·s, and a monomeric HDI of ≤ 0.15%. Desmodur N 3390 BA/SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur N 3390 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® PL 350 MPA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® PL 350 MPA/SN is a blocked aliphatic polyisocyanate based on HDI used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./80°C)...voir plus Desmodur® PL 350 MPA/SN is a blocked aliphatic polyisocyanate based on HDI used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./80°C) 75 ± 2%, a viscosity at 23°C 4,300 ± 1,500 mPa·s, and an equivalent weight of approx. 400. Combined with suitable Desmophen® products, Desmodur® PL 350 MPA/SN can be used in the formulation of weather-stable, lightfast, chemically resistant and highly heat-stable one-component polyurethane stoving coatings for use in automotive finishing. Compared with polyisocyanates blocked with butanone oxime, Desmodur® PL 350 MPA/SN allows a reduction in the stoving temperature of approx. 10°C, with no decrease in solvent and chemical resistance. voir moins | |
| Desmodur® Z 4470 MPA/X | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 MPA/X is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in 1-methoxypropylacetate-2/xylene, 1:1. This product is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spr...voir plus Desmodur® Z 4470 MPA/X is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in 1-methoxypropylacetate-2/xylene, 1:1. This product is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. It has a viscosity at 23°C of 1,500 ± 500 mPa·s, a density at 20°C of approx. 1.08g/ml, and a flash point of approx. 40°C. The main applications for two-component coatings based on Desmodur® Z 4470 MPA/X are in automotive OEM and automotive refinishing. As Desmodur® Z 4470 MPA/X has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. voir moins | |
| Desmodur® N 3368 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3368 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120min/100°C) of 68±1%, a density at 20°C of approx. 1.06g/...voir plus Desmodur® N 3368 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120min/100°C) of 68±1%, a density at 20°C of approx. 1.06g/ml, a flash point of approx. 37.5°C, and a viscosity at 25°C of approx. 40mPa·s. Desmodur® N 3368 BA/SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3368 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® N 3386 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3386 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 86 ± 1%, a viscosity at 23°C of 320 ± ...voir plus Desmodur® N 3386 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 86 ± 1%, a viscosity at 23°C of 320 ± 80 mPa·s, a viscosity at 25°C of approx. 290 mPa·s, and a density at 20°C of approx. 1.11g/ml. Desmodur® N 3386 BA/SN is used primarily as the hardener component for lightfast two-pack polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The preferred co-reactants are polyacrylate or polyester polyols, and the main applications for systems based on Desmodur® N 3386 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. voir moins | |
| Desmodur® PL 340 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® PL 340 BA/SN is a blocked aliphatic polyisocyanate based on IPDI, and used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./...voir plus Desmodur® PL 340 BA/SN is a blocked aliphatic polyisocyanate based on IPDI, and used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./125°C) 60 ± 2%, a viscosity at 23°C 600 ± 50 mPa·s, an equivalent weight of approx. 575, and a blocked NCO content of approx. 7.3%. Desmodur® PL 340 BA/SN can be combined with suitable, preferably flexible, Desmophen® grades to formulate one-component polyurethane stoving coatings which are lightfast and resistant to weathering and chemicals and highly resistant to thermal yellowing. These coatings are used for original automotive topcoats. Compared with polyisocyanates blocked with butanone oxime, Desmodur® PL 340 allows a reduction in stoving temperature of approx. 10 °C, with no decrease in solvent and chemical resistance. voir moins | |
| Desmodur® N 75 MPA/X | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 MPA/X is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. It has a density at 20°C of approx. 1.07g/ml, an NCO content of 16.5 ± 0.3%, a viscosity at 25°C of approx. 22...voir plus Desmodur® N 75 MPA/X is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. It has a density at 20°C of approx. 1.07g/ml, an NCO content of 16.5 ± 0.3%, a viscosity at 25°C of approx. 225mPa·s, and an equivalent weight of approx. 255. Desmodur® N 75 MPA/X is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The preferred co-reactants this product are polyacrylate or polyester polyols. voir moins | |
| 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, ...voir plus 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. voir moins | |
| Desmophen® NH 1521 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmophen® NH 1521 is an amino-functional co-reactant for polyisocyanates, and is used for the manufacture of high-solids, two-component polyurethane coating formulations. This product has an amine number of 168-176mg KOH/g, a solvent content (GC method) of 9-11%, and an equivalent weight of approx. 326. Desmophen® NH 1521 is a reactive thinner which is suitable, either alone or in combination with suitable OH-functional polyacrylates and cured with e. g. Desmodur...voir plus Desmophen® NH 1521 is an amino-functional co-reactant for polyisocyanates, and is used for the manufacture of high-solids, two-component polyurethane coating formulations. This product has an amine number of 168-176mg KOH/g, a solvent content (GC method) of 9-11%, and an equivalent weight of approx. 326. Desmophen® NH 1521 is a reactive thinner which is suitable, either alone or in combination with suitable OH-functional polyacrylates and cured with e. g. Desmodur® N 3600 or N 3390, for the formulation of high-solids primer fillers and topcoats for automotive refinishing applications. voir moins | |
| 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. 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...voir plus 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. voir moins | |
| 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 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...voir plus 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. voir moins | |
| 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-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...voir plus 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. voir moins | |
| 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. 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...voir plus 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. voir moins |
