EVONIK CORPORATION › SIPERNAT® D 13 SIPERNAT® D 13 $0.00 SIPERNAT® D 13 is a fine milled, hydrophobic (not wettable by water) silica, high methanol wettability and low surface area. Add To Cart Added! SIPERNAT® D 13 is a fine milled, hydrophobic (not wettable by water) silica, high methanol wettability and low surface area. You Might Also Like SIPERNAT® 340 SIPERNAT® 320 DS SIPERNAT® 350 SIPERNAT® 880 SIPERNAT® 22 S
