| TiO2 content, % | ≥ | 98% |
| Matter volatile at 105°C, % | ≤ | 0.5 |
| Matter soluble in water, % | ≤ | 0.5 |
| Residue on sieve (45 µm) % | ≤ | 0.05 |
| Colour (L*) | ≥ | 95 |
| Scattering power, % | ≥ | 100 |
| pH of aqueous suspension | = | 6.5 to 8.5 |
| Oil absorpion value, g/100g | ≤ | 26 |
| Resistivity of aqueous extract, Ωm | ≥ | 20 |