Titanium dioxide 1) rutile grade TiO2 content%≥ 93.0 Colour(compared with the standard sample) No Lower Than Tint reducing power (compared with the standard sample)% ≥105 Volatile matter(105°C):% ≤0.6 PH Value of aqueous suspension: 6.5-8.0 Oil absorption g/100g ≤21 Residue(45μm) ≤0.05 Rutile content % ≥97.0 Specific resistance Ω.cm ≥60
2) anatase grade TiO2% ≥ 98.0 Colour(compared with the standard sample) : not inferior to Tint-reducing power(compared with the standard sample)≥100 Volatile(105°C)% ≤0.5 Water soluble % 0.5 Oil absorption,g/100g ≤ 26 Pesidue(45μm)% ≤0.1 PH Value of Aqueou Suspension 6.5-8.0