X 266-S®

X 266-S® by Evonik is bis(triethoxysilylpropyl) polysulfide. It contains organosilane Si 266® and an N-330 type carbon black in the ratio 1:1 by weight. It is applicable in the rubber industry in combination with white fillers containing silanol groups. It imparts greater tensile strength, higher moduli, reduced compression set, increased abrasion resistance and optimized dynamic properties. It offers higher temperature stability and therefore allows higher mixing temperatures. X 266-S® is suitable for use in low rolling resistance tires. It has a shelf life of 12 months.