Cetyltrimethoxysilane is a long-chain alkyltrimethoxysilane coupling agent. Modified groups that introduce long chain alkyl groups into silicone molecules can give silicone products new properties. Long-chain alkyltrialkoxysilane Chemicalbook coupling agent can be used as paint waterproof additive, durable and antifouling building hydrophobic agent, daily chemical additive, plastic and rubber products release agent, fabric finishing agent (make the fabric smooth, strong wool feeling), etc.