2012hot /china titanium dioxide 1.used paints , ink , rubber 2.fine, dry, ... samples≥100105°C volatile matter, %≤0.5Water solubles, %≤0.5pH-value of aqueous suspension, 7.5 ~ 8.0Oil absorption, g/ 100g ... .), rubber, paper making and leather industries etc. 2012 hot (pigment) china titanium dioxide