Product Details


ULTRASIL® AS 7 is a precipitated sodium aluminum silicate for use as a reinforcement filler in the rubber industry.

Scope of Application

ULTRASIL® AS 7 is a fine product which combines a medium reinforcing effect in rubber with particularly easy processing. Thus ULTRASIL® AS 7 can be used in higher contrations than highly active silicas. The reinforcing effect of this product can be adjusted over a wide range by blending it with ULTRASIL® VN 3 or with inert fillers. Application fields are: Mechanical rubber goods.

Click here to find further information on our product website