| S.No | PARAMETER | SPECIFICATION |
| 1 | CaCO3 | ≥ 98.5% |
| 2 | MgO | ≤ 0.16% |
| 3 | SiO2 | ≤ 0.01% |
| 4 | Fe2O3 | ≤ 0.01% |
| 5 | Al2O3 | ≤ 0.04% |
| 6 | Carbon | 0% |
| 7 | pH | 8 – 10 |
| 8 | Hardness | 2.7 – 3 Moh |
| 9 | Loss at 900 ◦C | 42% – 44% |
| 10 | Loss at 100 ◦C | 0.32 – 0.4% |
| 11 | Whiteness | ≥ 80% |
| 12 | Brightness | ≥ 95% |
| 13 | Specific Gravity | 2.6 – 2.7 g/cm3 |
| 14 | Moisture | ≤ 03% |
| 15 | Oil Absorption | ≥ 24 ml/100 g |
