... ink, powder coating, whiteness masterbatch and plastic products.Technical index TiO2 content,% ≥91.0Whiteness (compared with standard sample)not less thanBrightness ... residue (45μm), %(m/m)≤0.02Dispersibility, Hetman ≥5.50Volatile at 105, %≤0.8 StandardQ/PYTY1-2005 Rutile Titanium Dioxide-R-258