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® D 10 SIPERNAT® 22 SIPERNAT® 22 S SIPERNAT® D 17/2 SIPERNAT® 820 A