excellent Nano coated precipitated calcium carbona

Nano calcium carbonate Model specs functionitemNano calcium carbonateSN-6909CaCO3 content (Dry basis) % ≥ 98PH(10% Soliquit) 8-10Insoluble substance in hydrochloric acid % ≤ 0.1Moisture content, % ≤ 0.5bulk density,g/ml 0.35Specific Surface, cm2/g 25.0±3Settling value,ml/g≥ ---Average grain size,nm 80.0-100.0Fe ,%≤ 0.08Mn ,%≤ 0.006Residues 125μm ,% ≤ 45μm ,% ≤ 00whiteness(R457),%≥ 97Oil absorption value (DOP)ml/100g ≤ 32activation,%≥ 99appearance White powder