Si 264™ by Evonik is is a bifunctional, sulfur-containing organosilane in combination with white fillers containing silanol groups. It reacts with silanol groups of white fillers during mixing and... view more

Si 75® by Evonik is a bifunctional, sulfur containing organosilane. It reacts with silanol groups of white fillers during mixing and with the polymer during vulcanization under formation of covalent... view more