Profile: Gaizhou Hengda Chemicals Co.,Ltd. manufactures silane coupling agents and fine chemicals. We are an ISO 9001:2000 certified company. Our products are γ-aminopropyltriethoxysilane, γ-aminopropylmethyldiethoxysilane, γ-aminoethyl-gamma-aminopropyl(methyl)dimethoxyl silane, γ-aminopropyltrimethoxysilane and γ-glycidylpropyltrimethoxysilane. Our γ-aminopropylmethyldiethoxysilane molecule contains active groups that can couple chemically with both inorganic & organic substances. This is used to improve the electrical property, resistance to water, acid/alkali and weathering. It is used as a surface treatment agent of glass fiber, micro glass bead and silica hydrated white carbon black. It can also enhance the over-all property of polyester, polyacrylate, PNC and organosilicon.