Rawat Industrial Estate,
Islamabad, Pakistan
Chemical Name: Chalk Powder
Chemical Formula: CaCO3
Description: This is a fine white uncoated Chalk powder. It is processed from white marble.
| Brightness | 96% Min |
| Whiteness | 98% Min |
| Moisture | 0.2% Max |
| Density | 2.68 gram/cubic centimeter |
| Oil Absorption | 25 gram/100 gram Max |
| pH Value | 8-9 |
| Top Cut (D-97) | < 8 um |
| Mean Size (D-50) | < 2.0 um |
| CaCO3 | 98.98% Min |
| MgO | 0.21% Max |
| SiO2 | 0.12% Max |
| Fe2O3 | 0.02% Max |
| Al2O3 | 0.03% Max |
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