... CaCO3 content: 97%min 2,Settling value: 2.0 ml/g 3,Whiteness(R457):93%min Superfine Activated Light Calcium Carbonate ... , g/cm3 ≤45Specific Surface, cm2/g ≤45000-50000Settling value, ml/g ≥2.0Top Cut(D98), μm ≤9.5Impurity Few, ... , % ≤0.01 0.5Whiteness(R457), % ≥93Absorption oil Number (DOP), ml/100g ≤35Activation, % ≥A little cloudyAppearancePOWDERPackage: 25kgs/bag. Application: Injection mould ...