Mercapto silanes are functional organosilanes that are typically formulated with a hydrolysable alkoxy group and a reactive mercapto group. With the presence of the mercapto group and the alkoxy group, mercapto silanes can build a molecular bridge between organic resins and inorganic substrates. They are mainly utilized as adhesion promoters, surface modifiers, coupling agents and crosslinkers in a wide variety of application fields.

OSI mercapto silanes are widely used in the rubber industry and tire industry with special effects. They can make rubber, fumed silica and other inorganic fillers to produce excellent coupling effects. They can significantly improve the physical and mechanical properties of products, especially suitable for sulfur vulcanization and peroxide vulcanization systems. OSI Mercapto Silane Coupling Agent can improve the tensile strength of rubber, reduce its permanent compression deformation and improve the wear resistance of rubber.

Besides increasing the consumption of inorganic fillers, OSI mercapto silanes can improve the overall performance of composites. Specifically, OSI mercapto silanes can improve the mechanical and electrical properties of compounds; and enhance moisture resistance, corrosion resistance and thermal resistance. OSI Mercapto Silane Coupling Agents are capable of reducing the interactions more efficiently in UV cure systems.

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