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Sulfur Silane

Longmore S75C

Silane Coupling Agent

Chemical Name:  The blend of bis[3-(triethoxysilyl) propyl] disulfide (50%) and carbon black (50%)



Black granule with light odor of alcohol.


Longmore S75C is a mixture of Longmore S75 silane coupling agent and N-330 carbon black with the same function as Longmore S75 but easier to operate. It can improve the physical and mechanical properties of rubber and greatly enhance tensile strength, anti-tearing strength, abrasion resistance, reduce the permanent deformation and viscosity of gross rubber, and improve process property. The suitable polymer include natural rubber (NR), butadiene styrene rubber (SBR), isoprene rubber (IR), butadiene rubber (BR), acrylonitrile butadiene rubber (NBR), ethylene propylene diene rubber (EPDM), etc.

Comparing with Longmore S69C, the low-active disulfane group in Longmore S75C provides more reliable scorching safety.    


25kg/paper box with plastic bag.


Must be sealed and kept in cool and ventilated place, away from water, heat and fire.

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