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ULTRASIL® 6000 GR

Precipitated silica for use as a white reinforcing filler in the rubber industry.

Scope of Application

ULTRASIL® 6000 GR is a mechanically compacted granulate. On account of the granulation process it leads to less dust development during conveying and mixing. ULTRASIL® 6000 GR is a highly dispersible (HD) and strongly reinforcing silica which has been especially developed for application in high performance (HP) and ultra high performance (UHP) passenger car tire tread compounds. It imparts to tread compounds high abrasion resistance combined with excellent rolling resistance, wet traction and high dynamic stiffness for a good dry handling behavior. The bifunctional organosilanes such as Si 69®, Si 75®, Si 266® or Si 363® are required for the use of precipitated silica in tire tread compounds. The use of diethylene glycol, triethanolamine or other alkaline accelerators might be necessary in order to achieve optimum in-rubber data. Application fields are: Tires, mechanical rubber goods.