calcium carbonate
2016-09-12 17:38 Views:79
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| CHEMICAL COMPOSITION |
| CaCO3 | 98% min |
| Fe2O3 | 0.02% max |
| MgO | 0.02% max |
| SiO2 | 0.1% max |
| Al2O3 | 0.1% max |
| PHYSICAL PROPERTIES |
| Whiteness | 98% min |
| Brightness | 96% min |
| Moisture | 0.2% max |
| Oil Absorption | 23.00g/100g CaCO3 |
| Specific Gravity | 2.65 ÷ 2.7g/cm3 |
| Hardness | 2.7-3 Moh |
| Loss at 900oC | 42-44 % |
| Loss at 105oC | 0.2 % - 0.4 % |
| Acid Insoluble | 0.3% max |
| pH Value | 8 ÷ 9 |
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