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Sulfur Silane

Longmore S75

Silane Coupling Agent

Chemical Name: Bis[3-(triethoxysilyl)propyl]disulfide


Molecular Formula: 



A pale yellow clear liquid with light odor of ethyl alcohol and soluble easily in ethyl alcohol, acetone, benzene, toluene and chlorohydrocarbon.


Longmore S75 is a kind of silane coupling agent with multiple functional groups successfully used in the rubber industry to improve modulus and tensile strength of rubber, reduce compound viscosity and save process energy consumption. It is especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. The suitable fillers include silica, silicate, clay, etc. The suitable rubber include natural rubber (NR), butadiene styrene rubber (SBR), isoprene rubber (IR), butadiene rubber (BR), acrylonitrile butadiene rubber (NBR), ethylene propylenediene rubber (EPDM), etc.

Comparing with Longmore S69, the low-active disulfane group in Longmore S75 provides more reliable scorching safety.      


5L, 10L, 25L, 200L PE drum or 1000L IBC container.


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

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