Coated Calcium carbonate CaCo3: 99.40% CaO: 55.6% MgO: 0.08% Fe2O3 : 0.03% Al2O3: 0.15% SiO2: 0.34% L.O.I: 44.1% HCI insoluble content 0.20% Whiteness: 98% Brightness: 96.7% Moisture : 0.20% Hardness by Mohs: 3 Density: 2.73g/cm3 PH value: 9 size: 12 micron
