EVONIK CORPORATION › SIPERNAT® D 17/2 SIPERNAT® D 17/2 $0.00 SIPERNAT® D17/2 is a hydrophobic silica and not wettable by water. Its primary application is as anti-caking agent. Add To Cart Added! SIPERNAT® D17/2 is a hydrophobic silica and not wettable by water. Its primary application is as anti-caking agent. You Might Also Like SIPERNAT® 22 S SIPERNAT® 820 A SIPERNAT® 35 SIPERNAT® 880 SIPERNAT® 50
