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Adhesives Ingredients
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Adhesives Ingredients
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Organosilane A311B

Organosilane A311B by Onichem Specialities is a N-(n-Butyl)-3-aminopropylmethyldimethoxysilane grade. Acts as a coupling agent. Organosilane A311B is used in sealants. It is a colorless to slightly yellowish liquid. Doesn’t contain any traces of toxic aniline. Shows fast reactivity with free NCO (isocyanate) groups. Leads to colorless low-viscosity PU (polyurethane) prepolymers with improved UV (ultraviolet) stability and reduced yellowing tendency of sealants. Suitable for endcapping polyurethanes. Also compatible with epoxies, urethane, polyurethane (PU), PA (polyamide), PBT (polybutylene terephthalate), EVA (ethylene-vinyl acetate), modified PP (polypropylene) and silicone.
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Product Type
Crosslinking / Curing / Vulcanizing Agents > Silanes
Chemical Composition
N-(n-Butyl)-3-aminopropylmethyldimethoxysilane
CAS Number
120939-52-8
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