Its main benefits are: Itf+s the best extender of titanium dioxide with excellent opacity that can improve efficiency and cut costs by partly replacing titanium dioxide; It can easily disperse in water based systems; It offers superfine particle and with excellent anti-settling property; It is inert to most acids and alkaline at ambient temperature and offers good anticorrosive capabilities. Typical physical properties:  item gb-ck95 Brightness (t457) 93.5% min Particle size (0-2micron) % 80+/-2 Particle size (0-10micron) 100% Refractivity 1.62 Screen residue (325 mesh %) 0.005 max Oil absorbency (g/100g) 60+/-5 Dispersion (micron) 50 max Ph 5.5-7.0 Bulk density (kg/m3) 330 Specific gravity (kg/m3) 2600 Moisture (%) 0.8 max Typical chemical properties: Sio2(%) 52+/-2 Al2o3 (%) 45+/-2 Fe2o3 (%) 0.50max 25kg plastic bag