EVONIK CORPORATION › AEROSIL® R 711 AEROSIL® R 711 $0.00 AEROSIL® R 711 is a fumed silica surface treated with a methacryl-silane to improve scratch resistance properties. Quantity: Add To Cart Added! AEROSIL® R 711 is a fumed silica surface treated with a methacryl-silane to improve scratch resistance properties. You Might Also Like AEROSIL® R 972 AEROSIL® 130 AEROSIL® 380 AEROSIL® R 805 AEROSIL® 150