ULTRASIL® 4000 GR by Evonik is a synthetically produced amorphous silicon dioxide-based reinforcing filler. It is highly dispersible with low surface area. It offers excellent hysteresis performance... view more

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... view more