EVONIK CORPORATION › AEROSIL® R 812 AEROSIL® R 812 $0.00 AEROSIL® R 812 is a fumed silica after treated with organo-silane (HDMDS) with high specific surface and marked hydrophobia. Quantity: Add To Cart Added! AEROSIL® R 812 is a fumed silica after treated with organo-silane (HDMDS) with high specific surface and marked hydrophobia. You Might Also Like AEROSIL® R 974 AEROSIL® R 202 AEROSIL® 200 HV AEROSIL® R 972 V AEROSIL® R 711
