CHEMICAL COMPOSITION AND PHYSICAL PROPERTIES
| CHEMICAL COMPOSITION | |
| Content CaCO3 | 99 % MIN |
| Content MgCO3 | 0.20 % MAX |
| Content Fe2O3 | 0.03 % MAX |
| Content AL2O3 | 0.04 % MAX |
| Content SiO2 | 0.01 % MAX |
| Content Na2O | 0.05 % MAX |
| Content CaO | 56.06% MAX |
| L.O.I | 43.89 % MAX |
| PHYSICAL PROPERTIES | ||
| Whiteness | 97 % MIN | (DIN 6174) |
| Refractive Index | 1.59 % | |
| Humidity | 0.2 % MAX | |
| Hardness (Mohs) | 3.00 | |
| Density of CaCO3 | 2.730 g/cm3 | |
| PH | 9 | (ISO 787/9 ) |
| Oil Absorption | 26.0 ml/100g | (ISO 787/5 ) |
| Bulk Density | 0.5 g/ml | (ISO 787/11) |