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 805 AEROSIL® TT 600 AEROSIL® RA 200 HS AEROSIL® R 7200 AEROSIL® R 812