- Name: CALCIUM CARBONATE
- CAS No.: 471-34-1
- Appearance: white powder
- Purity/Assay: 98%min
- Package: 25kg /bag or 25kg/drum
CALCIUM CARBONATE CAS 471-34-1
Description
CALCIUM CARBONATE
CALCIUM CARBONATE Quick Details
Chemical Name: CALCIUM CARBONATE
CAS No.:471-34-1
Molecular Fomula:CCaO3
Molecular weight:100.0869
Appearance:white powder
Assay:98%min
CALCIUM CARBONATE Typical Properties
| Item HG/ 3249.2-2008 | I type 3000m | II type 2500m | III type 2000m | ||
| caco3 w/%≥ | class I | first class | 98.0 | 96.0 | 96.0 |
| qualified | 96.0 | 94.0 | 94.0 | ||
| class II | first class | 96.5 | 95.0 | 95.0 | |
| qualified | 95.0 | 93.0 | 93.0 | ||
| Fineness | D97/μm ≤ | 3.0 | 5.0 | 6.0 | |
| D50/μm ≤ | 1.3 | 1.6 | 2.0 | ||
| Whiteness | first class | 97 | 97.0 | 96.0 | |
| qualified | 95.5 | 95.5 | 95.0 | ||
| Specific surface area (cm2/g) ≥ | 23000 | 19500 | 18000 | ||
| Oil absorption(ml/100g) | class I | 30.0 | 30.0 | 25.0 | |
| class II | 25.0 | 23.0 | 22.0 | ||
| Oil absorption(ml/100g) | first class | 95.0 | 95.0 | 95.0 | |
| qualified | 93.0 | 93.0 | 93.0 | ||
| 105℃ volatile/% ≤ | 0.5 | 0.5 | 0.5 | ||
| Lead（pb）W /% ≤ | 0.001 | 0.001 | 0.001 | ||
| (Cr6+)W/% ≤ | 0.005 | 0.005 | 0.005 | ||
| (Hg) W/% ≤ | 0.002 | 0.002 | 0.002 | ||
| (As) W/% ≤ | 0.002 | 0.002 | 0.002 | ||
| (Cd) W/% ≤ | 0.002 | 0.002 | 0.002 | ||
CALCIUM CARBONATE Usage
1.Used as filler and improver in plastic, paint, paper-making, rubber, pharmacy, feed, daily chemical, ceramics, adhesives and ink industry.Used as a metal surface treatment agent .
2.Used for pharmaceutical .
3.Used for food additives
CALCIUM CARBONATE Packaging and Shipping
25kg /bag or 25kg/drum
CALCIUM CARBONATE Storage
Keep it under low temperature and dry condition.