... dispersion, Super durability ,excellent whiteness ,high gloss and tinting strength TITANIUM DIOXIDE R-919ApplicationHigh-grade plastic profile, plastic masterbatch and other ... whiteness of oil system (L*) and Hue (b*): Grind the titanium dioxide with grinding mill, to make a film with thickness ... high-speed mixer. Other items please refer to ISO standard. TITANIUM DIOXIDE TIO2 R919