1. TiO2 ( % ) : 50-98 2. Whiteness ( contrast to the standard sample) ( % ) min: 99 3. Tint reducing power ( contrast to the standard sample) ( % ) min: 100 4. Volatile content ( 105C after 23C 24h) ( % ) max: 0.5 5. Water Soluble Matter ( % ) max: 0.5 6. Oil absorption ( Gram per 100g) max: 26 7. PH of aqueous suspension: 6.5-8.0 8. Resistivity in water extraction min: 25 9. Residue on Sieve 45¼ ( % ) max: 0.1