IMICURE® EMI-24 Curing Agent | Evonik Operations GmbH, BL Crosslinkers | 高反应活性、中等粘度液体咪唑,单独使用或用于催化双氰胺或酸酐固化。可应用于灯丝电源绕组、电子层合材料、模塑粉末、单组分胶粘剂和结构胶 | Request Sample |
IMICURE® Imidazole Curing Agent | Evonik Operations GmbH, BL Crosslinkers | IMICURE® Imidazole Curing Agent is an elevated-temperature curing agent for epoxy resins. It is readily compatible with both liquid and solid epoxy resins, and because it is a catalytic curing agent, it is used at low loadings of 1−5 phr. It is a good acc...展开 IMICURE® Imidazole Curing Agent is an elevated-temperature curing agent for epoxy resins. It is readily compatible with both liquid and solid epoxy resins, and because it is a catalytic curing agent, it is used at low loadings of 1−5 phr. It is a good accelerator for dicyandiamide, anhydride and phenolic curing agents. 收起 | Request Sample |
Isobutyltriethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Isobutyltriethoxysilane is a colorless clear liquid that can be used as silane coupling agent, silane adhesion promoter and a silane crosslinking agent. | |
Isobutyltrimethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Isobutyltrimethoxysilane is a colorless clear liquid that can be used as silane coupling agent, silane adhesion promoter and a silane crosslinking agent. | |
Mercaptopropylmethyldiethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Mercaptopropylmethyldiethoxysilane is a colorless transparent liquid that is used as a coupling agent in polysulfide and polyurethane caulks and sealants. It is commonly used in sulfur-cured and metal oxide-cured elastomers for modulus, tensile and tear ...展开 Mercaptopropylmethyldiethoxysilane is a colorless transparent liquid that is used as a coupling agent in polysulfide and polyurethane caulks and sealants. It is commonly used in sulfur-cured and metal oxide-cured elastomers for modulus, tensile and tear strength, heat buildup, abrasion resistance and resilience. Compression set and cure time are also improved. This product can be applied as a pretreatment on minerals or as in ingredient at the time of compounding. Due to it being a fast sulfur containing silane only relatively small levels are necessary. 收起 | |
Mercaptopropylmethyldimethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Mercaptopropylmethyldimethoxysilane is a colorless transparent liquid that is used as a coupling agent in polysulfide and polyurethane caulks and sealants. It is commonly used in sulfur-cured and metal-cured elastomers for modulus, tensile and tear stren...展开 Mercaptopropylmethyldimethoxysilane is a colorless transparent liquid that is used as a coupling agent in polysulfide and polyurethane caulks and sealants. It is commonly used in sulfur-cured and metal-cured elastomers for modulus, tensile and tear strength, heat buildup, abrasion resistance and resilience. Compression set and cure time are also improved. This product can be applied as a pretreatment on minerals or as in ingredient at the time of compounding. Due to it being a fast sulfur containing silane only relatively small levels are necessary. 收起 | |
Methylphenyldimethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Methylphenyldimethoxysilane is a colorless clear liquid that can be used as silane coupling agent, silane adhesion promoter and a silane crosslinking agent. | |
Methyltriacetoxysilane(MTAC) | Qufu Wanda Chemical Industry Co., Ltd. | Methyltriacetoxysilane(MTAC) is a colorless transparent liquid and an acetoxy silane commonly used as a one-component mixture to make RTV-1 silicone sealant. When this compound is exposed to moisture some acetoxy groups are hydrolyzed and self-condense or...展开 Methyltriacetoxysilane(MTAC) is a colorless transparent liquid and an acetoxy silane commonly used as a one-component mixture to make RTV-1 silicone sealant. When this compound is exposed to moisture some acetoxy groups are hydrolyzed and self-condense or react with other acetoxy and rapid crosslinking takes place. 收起 | |
Methyltriethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Methyltriethoxysilane is a colorless transparent liquid that can be used as a penetrating sealer and surface modifier to generate hydrophobicity (mineral fillers or inorganic pigments). When the product is introduced to polymers it gives a medium-chain a...展开 Methyltriethoxysilane is a colorless transparent liquid that can be used as a penetrating sealer and surface modifier to generate hydrophobicity (mineral fillers or inorganic pigments). When the product is introduced to polymers it gives a medium-chain alkyl functionality. 收起 | |
Methyltris(methylethylketoxime)silane(MOS) | Qufu Wanda Chemical Industry Co., Ltd. | Methyltris(methylethylketoxime)silane(MOS) is a colorless or yellowish transparent liquid that can be used as a neutral curing agent in silicone sealant formulations. This product is commonly used a cross-linker for oxime silicone sealants and can be use...展开 Methyltris(methylethylketoxime)silane(MOS) is a colorless or yellowish transparent liquid that can be used as a neutral curing agent in silicone sealant formulations. This product is commonly used a cross-linker for oxime silicone sealants and can be used alone or with other combinations of oxime silanes to enable the sealant with targeted properties. 收起 | |
Methylvinyldichlorosilane | Qufu Wanda Chemical Industry Co., Ltd. | Methylvinyldichlorosilane is a colorless transparent liquid used as a coupling agent, adhesion promoter and cross-linking agent in polyethylenes. This product can also be used for surface treatment of mineral fillers in plastics, peroxide cured rubber, p...展开 Methylvinyldichlorosilane is a colorless transparent liquid used as a coupling agent, adhesion promoter and cross-linking agent in polyethylenes. This product can also be used for surface treatment of mineral fillers in plastics, peroxide cured rubber, polyester, polyolefins, styrenics and acrylics. 收起 | |
Methylvinyldiethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Methylvinyldiethoxysilane is a colorless transparent liquid used as a coupling agent, adhesion promoter and cross-linking agent in polyethylenes. This product can also be used for surface treatment of mineral fillers in plastics, peroxide cured rubber, po...展开 Methylvinyldiethoxysilane is a colorless transparent liquid used as a coupling agent, adhesion promoter and cross-linking agent in polyethylenes. This product can also be used for surface treatment of mineral fillers in plastics, peroxide cured rubber, polyester, polyolefins, styrenics and acrylics. 收起 | |
N-[3-(Trimethoxysilyl)propyl]ethylenediamine | Qufu Wanda Chemical Industry Co., Ltd. | N-[3-(Trimethoxysilyl)propyl]ethylenediamine is a colorless to light yellow liquid that can be used as a finish or size constituent in glass fiber composites, a primer or additive for chemical modification in sealants and adhesives and an additive and pri...展开 N-[3-(Trimethoxysilyl)propyl]ethylenediamine is a colorless to light yellow liquid that can be used as a finish or size constituent in glass fiber composites, a primer or additive for chemical modification in sealants and adhesives and an additive and primer for improving adhesion to the substrate in paints and coatings. 收起 | |
n-Propanol | DCC (Dairen Chemical Corp.) | n-Propanol is a by-product which is produced by hydro-formulation and hydrogenation of Allyl Alcohol, carbon monoxide, and hydrogen. It is a medium boiling point, colorless liquid and has a typical alcohol odor, and is soluble in water, alcohol, and ether...展开 n-Propanol is a by-product which is produced by hydro-formulation and hydrogenation of Allyl Alcohol, carbon monoxide, and hydrogen. It is a medium boiling point, colorless liquid and has a typical alcohol odor, and is soluble in water, alcohol, and ether. n-Propanol is used in solvents, as an intermediate chemical for synthesis, industrial coatings, adhesives, and printing inks. 收起 | |
N-(Triethoxysilylpropyl)urea | Qufu Wanda Chemical Industry Co., Ltd. | N-(Triethoxysilylpropyl)urea is a colorless transparent liquid used to improve adhesion between inorganic filler or fiber and the polymer. It is applied to glass fiber sizes and finishes, wool insulation resin binders, numerous primers, foundry sand bind...展开 N-(Triethoxysilylpropyl)urea is a colorless transparent liquid used to improve adhesion between inorganic filler or fiber and the polymer. It is applied to glass fiber sizes and finishes, wool insulation resin binders, numerous primers, foundry sand binders, adhesives, sealants and abrasive grinding wheel binders. 收起 | |
NOURYBOND® 289 Adhesion Promoter | Evonik Operations GmbH, BL Crosslinkers | 封闭型异氰酸酯PVC塑料溶胶附着力促进剂,适用于汽车密封剂,应用于可见区域和抗裂底漆 | Request Sample |
Propyltrimethoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Propyltrimethoxysilane is a colorless clear liquid used as a primer or additive and for chemical modification in sealants and adhesives. It is also used in paints and coatings as an additive and primer for improving adhesion to the substrate. | |
Silane Coupling Agent ELT-S 550 | Anhui Elite Industrial Co., Ltd | Silane Coupling Agent ELT-S 550 is a colorless, transparent liquid which is immediately soluble in water. This product has a molecular weight of 221.37 and a boiling point of 217 degrees Celsius. Silane Coupling Agent ELT-S 550 improves the adhesion of ad...展开 Silane Coupling Agent ELT-S 550 is a colorless, transparent liquid which is immediately soluble in water. This product has a molecular weight of 221.37 and a boiling point of 217 degrees Celsius. Silane Coupling Agent ELT-S 550 improves the adhesion of adhesives and coatings. 收起 | |
Silane Coupling Agent ELT-S 551 | Anhui Elite Industrial Co., Ltd | Silane Coupling Agent ELT-S 551 is a colorless, transparent liquid which has a molecular weight of 179.29. This product has a boiling point of 88 degrees Celsius/ 15mmHg and a density of 1.016 g/cm3. Silane Coupling Agent ELT-S 551 improves adhesion in ad...展开 Silane Coupling Agent ELT-S 551 is a colorless, transparent liquid which has a molecular weight of 179.29. This product has a boiling point of 88 degrees Celsius/ 15mmHg and a density of 1.016 g/cm3. Silane Coupling Agent ELT-S 551 improves adhesion in adhesives and coatings. 收起 | |
Silane Coupling Agent ELT-S 602 | Anhui Elite Industrial Co., Ltd | Silane Coupling Agent ELT-S 602 is a colorless, transparent liquid which has a molecular weight of 206.36. This product has a boiling point of 265 degrees Celsius and a density of between 0.965 and 0.975 g/cm3. Silane Coupling Agent ELT-S 602 acts as an a...展开 Silane Coupling Agent ELT-S 602 is a colorless, transparent liquid which has a molecular weight of 206.36. This product has a boiling point of 265 degrees Celsius and a density of between 0.965 and 0.975 g/cm3. Silane Coupling Agent ELT-S 602 acts as an adhesion promoter in adhesives and sealants. 收起 | |
Silane Coupling Agent ELT-S 792 | Anhui Elite Industrial Co., Ltd | Silane Coupling Agent ELT-S 792 is a colorless to yellowish, transparent liquid which has a viscosity of 4.5 mm2/s. This product has a boiling point of between 114 and 118 degrees Celsius/2mmHg and a density of 1.04 g/cm3. Silane Coupling Agent ELT-S 792 ...展开 Silane Coupling Agent ELT-S 792 is a colorless to yellowish, transparent liquid which has a viscosity of 4.5 mm2/s. This product has a boiling point of between 114 and 118 degrees Celsius/2mmHg and a density of 1.04 g/cm3. Silane Coupling Agent ELT-S 792 acts as an adhesion promoter in PVC-based sealants. 收起 | |
Silicon Dioxide GJ-103 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide GJ-103 is a transparent white powder that provides strength and abrasion resistance. This product has the ability to be used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase th...展开 Silicon Dioxide GJ-103 is a transparent white powder that provides strength and abrasion resistance. This product has the ability to be used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. 收起 | |
Silicon Dioxide JLJ-105 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide JLJ-105 is a transparent white powder that has large surface area and small average particle size. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase mechanical strength. It is...展开 Silicon Dioxide JLJ-105 is a transparent white powder that has large surface area and small average particle size. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. 收起 | |
Silicon Dioxide NY-102 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide NY-102 is a white powder that has good dispersion and absorption properties. This product has the ability to be used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bondin...展开 Silicon Dioxide NY-102 is a white powder that has good dispersion and absorption properties. This product has the ability to be used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. 收起 | |
Silicon Dioxide SP-106 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide SP-106 is a transparent white powder that has heavy metal content and strong absorption ability. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase mechanical strength. It is a...展开 Silicon Dioxide SP-106 is a transparent white powder that has heavy metal content and strong absorption ability. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. 收起 | |
Silicon Dioxide TL-104 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide TL-104 is a transparent white powder that is used as a dispersing agent; the liquid form is used as rheology control agent. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase m...展开 Silicon Dioxide TL-104 is a transparent white powder that is used as a dispersing agent; the liquid form is used as rheology control agent. This product has the purpose of thickening and anti-settling, and is used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. 收起 | |
Silicon Dioxide XJ-100 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide XJ-100 is a white powder that is used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. | |
Silicon Dioxide XJ-101 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide XJ-101 is a white powder that is used as an additive in adhesives to increase mechanical strength. It is also used in paints and coatings to increase the bonding properties. | |
Silicon Dioxide ZZ-108 | Shanghai Tengmin Industry Co., Ltd. | Silicon Dioxide ZZ-108 is a transparent white powder that has high bulkiness and water-solubility properties. This product has the ability to be used as an additive in adhesives to increase mechanical strength, and it is also used in paints and coatings. | |
Tetra-(methylethylketoxime)silane(TOS) | Qufu Wanda Chemical Industry Co., Ltd. | Tetra-(methylethylketoxime)silane(TOS) is a colorless transparent liquid that can be used as a neutral curing agent in silicone sealant formulations. It is normally combined with MOS or VOS for higher reactivity, shorter skin formation times and higher c...展开 Tetra-(methylethylketoxime)silane(TOS) is a colorless transparent liquid that can be used as a neutral curing agent in silicone sealant formulations. It is normally combined with MOS or VOS for higher reactivity, shorter skin formation times and higher cross-linking density. 收起 | |
Trichlorohexylsilane | Qufu Wanda Chemical Industry Co., Ltd. | Trichlorohexylsilane is a colorless transparent liquid is a silane coupling agent. This product is primarily used as raw materials of hexyl silanes that make high-end adhesives. | |
Triethoxyvinylsilane | Qufu Wanda Chemical Industry Co., Ltd. | Triethoxyvinylsilane is a colorless transparent liquid used as a monomeric vinyl functional silane for adhesiveness and sealants. It is applied to a wide range of inorganic subtrates such as metal, glass and concrete. | |
VESTALITE® S 101 | Evonik Operations GmbH, BL Crosslinkers | VESTALITE® S 101 is a curing agent for epoxy resin matrix designed for SMC applications. Systems using VESTALITE® S 101 have a low initial viscosity during compounding, allowing excellent fiber wetting, highfiber volume fraction and efficient process...展开 VESTALITE® S 101 is a curing agent for epoxy resin matrix designed for SMC applications. Systems using VESTALITE® S 101 have a low initial viscosity during compounding, allowing excellent fiber wetting, highfiber volume fraction and efficient processing. The high reactivity of the hardener allows fast curing inabout 4 - 5 min at 150 °. 收起 | Request Sample |
VESTALITE® S 102 | Evonik Operations GmbH, BL Crosslinkers | VESTALITE® S 102 is a curing agent for epoxy resin matrix designed for SMC applications. Systems using VESTALITE® S 102 have a low initial viscosity during compounding, allowing excellent fiber wetting, high fiber volume fraction and efficient processing....展开 VESTALITE® S 102 is a curing agent for epoxy resin matrix designed for SMC applications. Systems using VESTALITE® S 102 have a low initial viscosity during compounding, allowing excellent fiber wetting, high fiber volume fraction and efficient processing. The high reactivity of the hardener allows fast curing in about3 min at 150 °C. 收起 | Request Sample |
VESTANAT® EP-EF 201 | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-EF 201 is a ready catalyzed polyethoxysilane. It is used as a crosslinker or sole binder to formulate highly scratch- and chemical resistant coatings, e. g. highly scratch resistant NISO*2coatings. The crosslinker is appropriate f...展开 VESTANAT® EP-EF 201 is a ready catalyzed polyethoxysilane. It is used as a crosslinker or sole binder to formulate highly scratch- and chemical resistant coatings, e. g. highly scratch resistant NISO*2coatings. The crosslinker is appropriate for the use in "do-it-yourself" (DIY) applications. 收起 | Request Sample |
VESTANAT® EP-IPMS | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-IPMS is an isocyanate building block for the preparation of silane modified urethane resins. These resins may be used for the production of isocyanate-free, moisture curing adhesives, sealants and weatherable, UV- and ...展开 VESTANAT® EP-IPMS is an isocyanate building block for the preparation of silane modified urethane resins. These resins may be used for the production of isocyanate-free, moisture curing adhesives, sealants and weatherable, UV- and scratch-resistant coatings. 收起 | Request Sample |
VESTANAT® EP-M 222 X | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-M 222 X is a methoxysilane functional urethane crosslinker that can be used as a crosslinker to increase the flexibility of highly scratch resistant coatings, e.g. highly scratch resistant NISO*2 coatings. It is dissolved at 85 % ...展开 VESTANAT® EP-M 222 X is a methoxysilane functional urethane crosslinker that can be used as a crosslinker to increase the flexibility of highly scratch resistant coatings, e.g. highly scratch resistant NISO*2 coatings. It is dissolved at 85 % in xylene, allowing it to be used in low-VOC coatings formulation. 收起 | Request Sample |
VESTANAT® EP-M 60 | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-M 60 is a solvent free, polyfunctional methoxy silane. It is used as a crosslinker toformulate highly scratch resistant coatings. | Request Sample |
VESTANAT® EP-MF 203 | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-MF 203 is a solvent free and ready catalyzed polymethoxysilane. It is used as a crosslinker or sole binder to formulate highly scratch- and chemical resistant coating, e. g. highly scratch resistant NISO*2coatings. | Request Sample |
VESTANAT® EP-MF 204 | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-MF 204 is a solvent free and ready catalyzed polymethoxysilane. It is used as a crosslinker or sole binder to formulate highly scratch- and chemical resistant coating, e. g. highly scratch resistant NISO*2 coatings. | Request Sample |
VESTANAT® EP-MF 205 | Evonik Operations GmbH, BL Crosslinkers | VESTANAT® EP-MF 205 is a solvent-based, ready catalyzed polymethoxysilane. It is used as a crosslinker or sole binder to formulate extremely flexible, highly scratch- and chemical resistant coatings., e.g. highly scratch resistant NISO*2coatings. VESTA...展开 VESTANAT® EP-MF 205 is a solvent-based, ready catalyzed polymethoxysilane. It is used as a crosslinker or sole binder to formulate extremely flexible, highly scratch- and chemical resistant coatings., e.g. highly scratch resistant NISO*2coatings. VESTANAT® EP-MF 205 is particularly characterized by an optimized price/performance ratio and a harmoniously tuned mechanical property profile. 收起 | Request Sample |
Vinyl Acetate Monomer | DCC (Dairen Chemical Corp.) | Vinyl Acetate Monomer (VAM) is an active, colorless, and liquid phase chemical, produced by the vapor phase reaction of Ethylene, Acetic Acid, and Oxygen over a catalyst. It is stabilized with a hydroquinone inhibitor so that it can be put in storage. VAM...展开 Vinyl Acetate Monomer (VAM) is an active, colorless, and liquid phase chemical, produced by the vapor phase reaction of Ethylene, Acetic Acid, and Oxygen over a catalyst. It is stabilized with a hydroquinone inhibitor so that it can be put in storage. VAM can be used in many different applications. Vinyl Acetate Monomer is used in polyvinyl acetate as an adhesive for paper, wood, non-woven fabrics, rug backing, and as a material in paint. It is used in polyvinyl alcohol as a laminating adhesive, and in emulsifying agents and films. VAM is used in vinyl acetate-vinyl chloride copolymers as packaging film, adhesives, paints, and paper coatings. In ethylene-vinyl acetate-vinyl chloride terpolymer it is used as an adhesive with water resistance and fire retardant characteristics. 收起 | |
Vinyl Polymer Resin (VAH) ELT-VAAL | Anhui Elite Industrial Co., Ltd | Vinyl Polymer Resin (VAH) ELT-VAAL is a white or slight yellow powder which has a high molecular weight. This product has a molecular weight of 25000 and is also crosslinkable with amino resins, polyisocyanates, and other generic resins. This product pr...展开 Vinyl Polymer Resin (VAH) ELT-VAAL is a white or slight yellow powder which has a high molecular weight. This product has a molecular weight of 25000 and is also crosslinkable with amino resins, polyisocyanates, and other generic resins. This product provides blocking resistance, sand-ability, adhesion, and resistance to paint, coatings, adhesives, and inks. 收起 | |
Vinyl Polymer Resin VAM Resin | Anhui Elite Industrial Co., Ltd | Vinyl Polymer Resin VAM Resin is a white powder with a high molecular weight. This product has a viscosity between 40 and 48 and is also approved for food contact applications by the FDA. Vinyl Polymer Resin VAM Resin provides flexibility and adhesion to...展开 Vinyl Polymer Resin VAM Resin is a white powder with a high molecular weight. This product has a viscosity between 40 and 48 and is also approved for food contact applications by the FDA. Vinyl Polymer Resin VAM Resin provides flexibility and adhesion to paint, coatings, adhesives, and inks. 收起 | |
Vinyltriacetoxysilane | Qufu Wanda Chemical Industry Co., Ltd. | Vinyltriacetoxysilane is a colorless to light yellow transparent liquid and an acetoxy silane used as a one-component mixture to make RTV-1 silicone sealants. | |
Vinyltrimethoxysilan | Qufu Wanda Chemical Industry Co., Ltd. | Vinyltrimethoxysilan is a colorless transparent liquid that can be used for producing special outer wall coatings through copolymerization with acrylic paints and improving those coatings climate and dust resistance. | |
Vinyltris(methylethylketoxime)silane (VOS) | Qufu Wanda Chemical Industry Co., Ltd. | Vinyltris(methylethylketoxime)silane (VOS) is a colorless to light yellow transparent liquid used as a neutral curing agent in silicone formulations. This product is most commonly used in combination with methyloxime silane. This enables shorter skin fo...展开 Vinyltris(methylethylketoxime)silane (VOS) is a colorless to light yellow transparent liquid used as a neutral curing agent in silicone formulations. This product is most commonly used in combination with methyloxime silane. This enables shorter skin formation time of the silicone sealant without a reduction of the curing time. The resulting sealant can withstand stress early resulting in elasticity and tear resistance. 收起 |