EVONIK CORPORATION › AEROSIL® 200 AEROSIL® 200 $0.00 AEROSIL® 200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g. Widely usable in a broad range of applications. Add To Cart Added! AEROSIL® 200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g. Widely usable in a broad range of applications. You Might Also Like AEROSIL® R 974 AEROSIL® TT 600 AEROSIL® R 816 AEROSIL® 300 V AEROSIL® R 972