QH-10 PRODUCT SPECIFICATION Physical properties Chemical compositions Particle size – D50 = 3.3 ± 0.3 µm Content of CaCO3 ≥ 98.8% Top cut – D97 = 10 ± 1 µm Content of MgO ≤ 0.10% Mesh = 1250 Content of Fe2O3 ≤ 0.02% Whiteness ≥ 98% Content of Al2O3 ≤ 0.03% Brightness ≥ 96% Content of SiO2 ≤ 0.10% Moisture ≤ 0.2% Content of Na2O ≤ 0.00% Content loss on ignition ≤ 43.08% Content of K2O ≤ 0.00% Oil absorption ≥ 24g/100g CaCO3 Content of TiO2 ≤ 0.00% Density = 2.7g/cm3 Content of PbO ≤ 3ppm P/H Value = 8÷9 Content of Arsenic( As) ≤ 0.3mg/kg Hardness = 3moh Content of Hg ≤ 0.5g µg/g
