Natural Heavy/Ground Calcium Carbonate

Natural heavy calcium carbonate selects natural, high and white calcite as raw material, and processes through domestic advanced grinding equipment and importing sorting equipment. Its grain size is Identical, color is stable, and Dispersion is super fine. It is a all-purpose filler materials. Main Applicantion: Fillers of Paper, Plastic, Rubber, Paint, Building material, etc.Name & Parameter Model Specification Item Natural Heavy Calcium CarbonateSN-1043 SN-1063 SN-1083 SN-1101 SN-1121 SN-1200 CaCO3 content (Dry basis) % ≥ 98 98 98 98 98 98 PH (10% Soliquit) 8-10 8-10 8-10 8-10 8-10 8-10 105ºC Volatitle ,% ≤ 0.3 0.3 0.3 0.3 0.3 0.3 Insoluble substance in hydrochloric acid % ≤ 1.0 1.0 1.0 0.5 0.5 0.5 Moisture content, % ≤ 0.4 0.5 0.5 0.6 0.6 0.6 Bulk density,g/cm 3 ≤ 0.85 0.87 1.00 0.95 0.90 0.90 Specific Surface, cm 2 /g ≤ 8000 8000 12000 50000 52000 52000 Settling value ,ml/g ≥ --- --- --- --- --- --- Top Cut(D98), μm ≤ 38 35 32 13 12 12