Bis[3-(triethoxysilyl)propyl]tetrasulfide (Si-69)

Bis[3-(triethoxysilyl)propyl]tetrasulfide (Si-69) is a sulfur-containing silane used as a coupling agent and adhesion promoter. It significantly improves the mechanical properties of rubber compounds, making it ideal for tire manufacturing. This product is widely utilized in the automotive industry due to its ability to enhance the durability and performance of rubber products. Key properties include excellent crosslinking efficiency and accelerated curing rates.