EVONIK CORPORATION › AEROSIL® R 974 AEROSIL® R 974 $0.00 AEROSIL® R 974 is a hydrophobic-fumed silica after treated with DDS (dimethyldichloro/silane). Quantity: Add To Cart Added! AEROSIL® R 974 is a hydrophobic-fumed silica after treated with DDS (dimethyldichloro/silane). You Might Also Like AEROSIL® 200 V AEROSIL® R 972 AEROSIL® R 202 AEROSIL® 200 F AEROSIL® TT 600
