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Polymer Additives
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Technical Datasheet | Supplied by Evonik
ULTRASIL® 7000 GR by Evonik is synthetically produced amorphous silicon dioxide. Acts as a reinforcing filler. It is easily dispersible, imparts high abrasion resistance combined with excellent rolling resistance and wet traction. ULTRASIL® 7000 GR is usually used with a bifunctional organosilane, such as Si 69®, Si 75®, Si 266® or VP Si 363. Suitable for use in low rolling resistant passenger car tire tread compounds.
Product Type
  • Fillers
  • Reinforcing filler
Chemical Composition
Amorphous silicon dioxide
CAS Number
112926-00-8, 7631-86-9
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