Properties and applications: SIPERNAT represents a specific product range of precipitated silica, aluminum and calcium silicates. SIPERNAT D 13 is a very finely ground, hydrophobic silica. It is used as an anti-caking agent for moisture-sensitive powders, as a reinforcing filler in silicone rubber and in a great variety of defoamers due to its high effectiveness in foam destruction as well as its easy dispersion behavior in non water-based solvents.Information provided by Evonik |