EVONIK CORPORATION › SIPERNAT® 500 LS SIPERNAT® 500 LS $0.00 SIPERNAT® 500 LS is a very finely ground silica with high surface area, low drying loss, and particularly high absorbency. Add To Cart Added! SIPERNAT® 500 LS is a very finely ground silica with high surface area, low drying loss, and particularly high absorbency. You Might Also Like SIPERNAT® 320 DS SIPERNAT® 50 SIPERNAT® 50 S SIPERNAT® 160 SPHERILEX DP 0111