[ Chemical Formula ]: CaCO3
[ Appearance ]: White powder or grain
[ Test proof ]: HG/T 2226-2000
[ Use ]: This product is by burning, digestion, carbonization, dehydration, drying and packaging process to produce a white fine powder. It can be widely used in Rubber, plastics, paper, wire and cable, building materials, paint and other industries.
| Test Item |
Standard |
Test Result |
| Calcium carbonate content(counted with CaCO3)% ≥ |
98.0 |
98.5 |
| 105℃ below volatile content% ≤ |
0.7 |
0.5 |
| PH Value(10%Suspension) |
8.5-10.5 |
10.0 |
| Degree of settlement(ml/15min) |
76-88 |
78 |
| Sedimentation volume(ml/g) ≥ |
2.8 |
2.8 |
| Iron (Fe) content% ≤ |
0.1 |
0.03 |
| Manganese(Mn) content% ≤ |
0.008 |
0.0019 |
| Residue on sieve(120mu)%≤ |
0.01 |
0.003 |
| Residue on sieve(325mu)% ≤ |
0.4 |
0.35 |
| Burning loss % |
35-45 |
43.5 |
| Whiteness (degree)%≥ |
90.0 |
94.0 |
| Dust(mm2/g) |
0.2 |
0.15 |
|
