Coating of Precipitated Calcium Carbonate using Stearic Acid (fatty acid).
ACTIVATED (Coated) CALCIUM CARBONATE
CERTIFICATE OF ANALYSIS
| GRADE | MICAL 11 + ACC | MICAL 11 ACC |
| Best uses- | Paints, High durable PVC Pipes, Rubber, Sealants | |
| Appearance | Fine powder, free from sign of impurities | Fine powder, free from sign of impurities |
| Color | White & Bright | White & Bright |
| Structure | Calcitic | Calcitic |
| Whiteness | 96 % (+/- 0.5%) | 96 % (+/- 0.5%) |
| Coating (stearic acid) | 1.10 % or as per requirement | 1.10 % or as per requirement |
| Water Proofing | 99.90 % | 99.90 % |
| Bulk Volume (gm/ml) | 80 – 82 | 74 – 76 |
| Bulk Density (gm/ml) | 0.50 | 0.54 – 0.58 |
| Odor | Odorless | Odorless |
| Fineness | 99.99% | 99.99% |
| %Sieve retention on 325 mesh | 0.06, NIL | 0.06, NIL |
| % Assay as CaCO3 | 98.5 % | 98.5 % |
| Fe2O3 | 0.06% | 0.06% |
| % Sulphate | 0.20% | 0.20% |
| Total Heavy metals | Below 20 ppm | Below 20 ppm |
| %Acid insoluble matter | 0.2 Max. | 0.2 Max. |
|
Arsenic, As Mercury, Hg Antimony, Sb |
Less than 1 ppm Less than 1 ppm Less than 1 ppm |
Less than 1 ppm Less than 1 ppm Less than 1 ppm |
| %Loss on drying | 0.50 Max. | 0.50 Max. |
| PH (10% Soln.) | 9.5 | 9.5 |
| %Soluble Alkali | 0.12 Max | 0.12 Max |
| GRADE | MICAL 22 + ACC | MICAL 11 ACC |
| Best uses- | Plastics, PVC Pipes, Rubber, Sealants, Drilling Fluids | |
| Appearance | Fine powder, free from sign of impurities | Fine powder, free from sign of impurities |
| Color | White & Bright | White & Bright |
| Structure | Calcitic | Calcitic |
| Whiteness | 96 % | 96 % |
| Coating (stearic acid) | 1.10 % or as per requirement | 1.10 % or as per requirement |
| Water Proofing | 99.90 % | 99.90 % |
| Bulk Volume (gm/ml) | 60 – 62 | 50 – 52 |
| Bulk Density (gm/ml) | 0.64 | 0.76 – 0.80 |
| Odor | Odorless | Odorless |
| Fineness | 99.99% | 99.99% |
| %Sieve retention on 325 mesh | 0.06, NIL | 0.10, NIL |
| % Assay as CaCO3 | 98.5 % | 95 – 96 % |
| Fe2O3 | 0.06% | 0.10 % |
| % Sulphate | 0.20% | 0.40% |
| Total Heavy metals | Below 20 ppm | Below 25 ppm |
| %Acid insoluble matter | 0.2 Max. | 0.3 Max. |
|
Arsenic, As Mercury, Hg Antimony, Sb |
Less than 1 ppm Less than 1 ppm Less than 1 ppm |
Less than 2 ppm Less than 2 ppm Less than 2 ppm |
| %Loss on drying | 0.50 Max. | 0.60 Max. |
| PH (10% Soln.) | 9.5 | 9.5 |
| %Soluble Alkali | 0.12 Max | 0.20 Max |