Active Light Calcium Carbonate
Chemical name: Active Precipitated Calcium Carbonate
Molecular formula: CaCO3
Properties: White delicate powder, the surface of which is covered by active material, with high dispersity to organic polymer.
Use: Active light calcium carbonate is used as filler in rubber and coatings to improve processibility and reduce cost.
Packing: Composite plastic woven bag; 25kg/bag.
Index Name |
HG/T2567-94 Standard |
Quality Standard of Our Enterprise |
Grade A |
Qualified |
Superfine |
Microfine |
| Calcium Carbonate(CaCO3)% ≥ |
96.0 |
95.0 |
98.5 |
98 |
| PH value |
8.0-10.5 |
8.0-11.0 |
9.5 |
10.0 |
| Volatile below 105°C % ≤ |
0.5 |
0.7 |
0.2 |
0.3 |
| Insoluble matter in hydrochloric acid% ≤ |
0.2 |
0.3 |
0.03 |
0.05 |
| Residue |
125μm test sieve% ≤ |
0.010 |
0.015 |
0.001 |
0.003 |
| 45μm test sieve% ≤ |
0.3 |
0.4 |
0.1 |
0.3 |
| Iron (Fe)% ≤ |
0.10 |
0.10 |
0.01 |
0.02 |
| Manganese(Mn)% ≤ |
0.006 |
0.008 |
0.001 |
0.002 |
| Brightness ≥ |
90.0 |
-- |
96 |
95 |
| Oil absorption g/100g ≤ |
70 |
80 |
50 |
60 |
| Activity% ≥ |
95 |
90 |
98 |
97 |
|