... Direct roving for pultrusionNo. GRW3: Direct roving for weavingProperties:(1) Silane coupling agent(2) Fast wet-out, good integrity, even tension(3) ... , designed for spray-up process. It is treated with silane size and is compatible with unsaturated polyester, vinyl ester. ... for boat, bathtub, storage tank, pipe etc.Properties:(1) Silane coupling agent(2) Low static and fuzz(3) Good mold ability, ...