SIV 9220.0 Vinyltrimethoxysilane 2768-02-7 Gelest Crosslinking / Coupling / Curing Agents >> Silane Polyolefins (PE, PP…) ADHESIVE SEALANT Vinyltrimethoxysilane. Used as crosslinker for polyethylene in one-stage2 graft polymerization. Copolymerizes with ethylene to form moisture cross-linkable polymers. Reacts slowly with water and moisture. Vinyltrimethoxysilane. Used as crosslinker for polyethylene in one-stage2 graft polymerization. Copolymerizes with ethylene to form moisture cross-linkable polymers. Reacts slowly with water and moisture.