EVONIK CORPORATION › AEROSIL® 200 HV AEROSIL® 200 HV $0.00 AEROSIL® 200 HV is an aqueous dispersion of a fumed silica and a fumed mixed oxide with a high solids content and a positive zetapotential. Quantity: Add To Cart Added! AEROSIL® 200 HV is an aqueous dispersion of a fumed silica and a fumed mixed oxide with a high solids content and a positive zetapotential. You Might Also Like AEROSIL® RX 200 AEROSIL® R 812 AEROSIL® 200 V AEROSIL® R 812 S AEROSIL® 300