97% min CaCO3 calcium Carbonate. our factory use Germany machine make power.
Whiteness 93%
Mesh: 600
Average grain: 16um
It is widely used in paper-making,plastic, rubber,paint, building material,etc.
our company exporting Asia and European company. our factory use Germany machine make power.
Technical Parameter:
Specification Item | Natural Heavy Calcium Carbonate |
RBC-001 | |
CaCO3 content (Dry basis), % ≥ | 97 |
PH(10% Soliquit) | 8-10 |
105°C Volatitle, % ≤ | 0.3 |
Insoluble substance in hydrochloric acid, % ≤ | 1.0 |
Moisture content, % ≤ | 0.5 |
Bulk density, g/cm3 ≤ | 0.87 |
Specific Surface, cm2/g ≤ | 8000 |
Settling value, ml/g ≥ | --- |
Top Cut(D98), μm ≤ | 35 |
Average Grain(D50), μm ≤ | 16 |
Fe, % ≤ | 0.2 |
Mn, % ≤ | 0.08 |
Residues: 325μm, % ≤ 125μm, % ≤ | 0 0.6 |
Whiteness(R457), % ≥ | 93 |
Absorption oil Number (DOP), ml/100g ≤ | 38 |
Activation, % ≥ | --- |
Appearance | POWDER |