
| Chemical Composition | Calcium Carbonate (CaCO₃) |
| Color | White |
| Particle Size | 1 - 10 microns (depending on grade) |
| Density | 2.7 g/cm³ |
| Bulk Density | 0.5 - 1.0 g/cm³ |
| Purity | 95% to 99% CaCO₃ |
| Hardness (Mohs Scale) | 3 |
| Specific Surface Area | 10 - 100 m²/g (depending on the grinding process) |
| Moisture Content | < 0.5% |
| Whiteness | 90% to 98% |
| Oil Absorption | 15 - 20 g/100g |
| pH | 9 - 10 |
| Loss on Ignition | 42 - 44% (due to calcination process) |
| Solubility in Water | Insoluble |
| Solubility in Acid | Soluble in dilute hydrochloric acid |