EVONIK CORPORATION › AERODISP® W 7622 AERODISP® W 7622 $0.00 AERODISP® W 7622 is a low viscosity, water-based dispersion of AEROSIL® fumed silica with a slightly alkaline pH. Quantity: Add To Cart Added! AERODISP® W 7622 is a low viscosity, water-based dispersion of AEROSIL® fumed silica with a slightly alkaline pH. You Might Also Like AERODISP® W 1714 AERODISP® W 7512 S AERODISP® WK 341 AERODISP® W 7520
