| abstract |
A granulate organosilane preparation is made consisting essentially of (a) 30 to 60 weight percent of at least one organosilane of the formula <IMAGE> (I) where R1 is an alkyl group with 1 to 3 carbon atoms, R2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black. |