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Typical Physical properties
Item | DW-800 | DW-1250 | DW-2500 |
Whiteness(%)≥ | 92 | 92 | 92 |
Particle size (d97)μm ≤ | 15 | 10 | 5 |
Screen residue, 325 mesh(%)≤ | 0.1 | 0.05 | 0.05 |
Oil absorbency(g/100g)≤ | 20 | 25 | 30 |
Moisture (%)≤ | 0.5 | 0.5 | 0.5 |
Mohs hardness ≈ | 3 | 3 | 3 |
Density (g/cm3) | 2.7 | 2.7 | 2.7 |
Chemical Components ratio(%)
CaCO3 | Fe2O3 | MgO | Al2O3 | SiO2 | Acid insoluble substance | Loss on ignition |
≥98 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.3 | ≈44 |
Dw Series Ultra-Fine Heavy Calcium Carbonate