EVONIK CORPORATION › AEROSIL® 380 AEROSIL® 380 $0.00 AEROSIL® 380 is a hydrophilic fumed silica with a very high specific surface area of 380 m2/g. Quantity: Add To Cart Added! AEROSIL® 380 is a hydrophilic fumed silica with a very high specific surface area of 380 m2/g. You Might Also Like AEROSIL® R 805 AEROSIL® R 972 V AEROSIL® 200 VS AEROSIL® R 812 AEROSIL® RX 50