| Surface treatment | Al and Organics |
| Graded standard | 1S0591:R2:ASTM D-476-84:Ⅱ(Ⅳ) |
| Feature | Property |
| Mass percentage of Tio2 | ≥96.0 |
| Rutile conversion rate | ≥99.0 |
| Oil phase lightness (L*) | ≥97.0 |
| b* | ≤2.0 |
| (Tinting strength) TCS | ≥1900 |
| Oil obsorbing /g/100g | ≤16.0 |
| pH value | 6.5-8.5 |
| Mass percentage of volatile in 105℃ | ≤0.3 |
| Water extracts liquid resistivity/Ω.m | ≥100 |
| Tint (SCX) | 4.0-5.5 |
| Visual whiteness | No less than |
| CIE | ≥90.0 |
| Mass percentage of Screenings (600 mesh) | ≤ 0.002 |