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 |