Main > A2. TRADEMARK. INDEX. U-Um > UltraSil > 0880

Product DE. D

DESCRIPTION Precipitated silica for use as reinforcement filler in the rubber industry. - Ultrasil 880 is a medium-activity precipitated silica that gives rubber mixtures excellent residual deformation and extrusion characteristics. Ultrasil 880 allows profiles with virtually no swelling and a very smooth surface. Even EPDM mixtures with extremely high filling grades (up to 200 GT) can still be easily processed. In white mixtures, Ultrasil 880 can partially be substituted for titanium dioxide. The effect of sulfur adsorption is negligible
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