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Si 266®

Technical Datasheet | Supplied by Evonik
Si 266® by Evonik is a bifunctional, sulfur containing organosilane. Acts as a reinforcing filler. It reacts with silanol groups of white fillers during mixing and with the polymer during vulcanization under formation of covalent chemical bonds. Si 266® imparts greater tensile strength, higher moduli, reduced compression set, increased abrasion resistance and optimized dynamic properties. Suitable for rubber applications in combination with white fillers containing silanol groups. Suitable applications include low rolling resistance tires. It has a shelf life of 12 months.
Product Type
  • Fillers
  • Fillers > > silanol
Chemical Composition
Bis (triethoxysilylpropyl) disulfide
Physical Form
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