Description of Submicron Calcium Carbonate
A fine grade of calcium carbonate with excellent whiteness and brightness. SMCC is widely used in coatings, construction chemicals, polymers, and other industrial applications where superior dispersion, opacity, and particle size control are required.
Specification
| Characteristics | SMCC | Unit |
|---|---|---|
| Whiteness | 95 Min. | ISO (%) |
| Purity | 95 Min. | % |
| pH of 10% Aq. Slurry | 8.5 - 10.5 | - |
| Volatile Matter (105°C) | 0.50 Max. | Wt.% |
| Bulk Density | 0.70 - 0.90 | g/cc |
| Oil Absorption | 25 - 35 | g/100g |
| PSD - D97 (Malvern) | 4 - 6 | Micron |
| PSD - D50 (Malvern) | 1.5 - 2.0 | Micron |
Key Benefits
- Fine Calcium Carbonate Powder
- Good dispersibility
- High Opacity and Whiteness Index
- Low Yellowness Index
Applications
- Paint & Coatings
- Construction Chemicals
- Polymers