Markets & Products Catalysts AERODISP® W 740 X Water based dispersion of hydrophilic fumed titanium dioxid VP AEROPERL® P 25/20 VP AEROPERL® P 25/20 is a specially granulated, hydrophilic fumed titanium dioxide. View all Related Markets Catalysts Let's make a difference. Evonik Catalysts Related documents Technical Information 1243: AEROXIDE® , AERODISP® and AEROPERL® - Titanium Dioxide as Photocatalyst