| Sample | pH | Specific Gravity g/cm3 | Refractive Index | Oil Absorption g/100g |
| KRONOS 2190 TiO2 | 7.5 - 8.0 | 4.1 | 2.55 | 18 |
| OBC-TC2 | 7.56 | 2.87 | 1.88 | 25 |
| OBC-TC4 | 7.55 | 3.05 | 1.93 | 25 |
| OBC-TC6 | 7.56 | 3.08 | 1.96 | 24 |
| IHC-TC2 | 7.45 | 2.92 | 1.91 | 24 |
| IHC-TC4 | 7.46 | 3.07 | 1.93 | 25 |
| IHC-TC6 | 7.46 | 3.10 | 1.95 | 25 |