Nano Calcium Carbonate
Chemical name: Superfine Active Calcium Carbonate
Molecular formula: CaCO3
Properties: The grain shapes include spindle, ball, cuboid, chain and needle. The products whose surface has been treated processed with fatty acid and resin acid have hydrophobic property.
Use: Superfine active calcium carbonate has small grain size, stable crystal form, wide distribution of grain size, high dispersity and excellent funtions, widely used in rubber-plastic, coating, adhesive, printing ink and such industries.
Packing: Composite plastic woven bag; 25kg/bag.
Index Name |
HG/T2776-1996 Standard |
Quality Standard of Our Enterprise |
Best Quality |
Grade A |
Nano-grade |
Hyponano-grade |
| Calcium oxide (CaO)% ≥ |
54.2 |
52.6 |
55.5 |
55 |
| Magnesium oxide (MgO)% ≤ |
0.3 |
0.8 |
0.1 |
0.3 |
| Insoluble matter in hydrochloric acid% ≤ |
0.1 |
0.2 |
0.05 |
0.08 |
| Iron (Fe)% ≤ |
0.08 |
0.10 |
0.2 |
0.03 |
| Volatile below 105°C % ≤ |
0.5 |
0.7 |
0.3 |
0.5 |
| PH value |
8.5-9.5 |
8.5-10.0 |
9 |
9.5 |
| Brightness% ≥ |
90 |
85 |
95.5 |
95 |
| Specific surface aream2/g ≥ |
26 |
18 |
28 |
20 |
| Density g/cm3 |
2.50-2.60 |
2.55 |
2.6 |
| Average grain size μm ≤ |
0.04 |
0.08 |
0.03 |
0.07 |
| Oil absorption ml/100g |
28 |
60 |
30 |
50 |
| Loss on ignition % |
43.0-45.5 |
43.5 |
45 |
|
