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Uncoated Calcium Carbonate (Toroscarb 5) is a natural, ultra fine calcium carbonate processed from high purity and whiteness limestone. It has 2,7 gr/cm³ density, 3 Mohs hardness and 1,59 refractive index. Also, it possesses pH 9. We provide Uncoated Calcium Carbonate in hygienically packed packaging to ensure purity and efficacy unharmed for long period. Further, Uncoated Calcium Carbonate finds application in paint, plastic, cable, chemicals, rubber, paper, insulation materials and many others.
| Product Specifications | Natural, ultra calcium carbonate manufactured from high purity and whiteness limestone. | |
|---|---|---|
| Raw Material | Mined from Nigde region of turkey | |
| Chemical properties | CaCo3 | >99.40% |
| MgCO3 | <0.40% | |
| Fe2O3 | <0.01% | |
| SiO2 | <0.01% | |
| AI2O3 | <0.01% | |
| HCI insoluble content | <0, 10% | |
| Physical Properties | Density (ISO 787-10) | 2, 7 gr/cm3 |
| Hardnes | 3 Mohs | |
| Refractive Index | 1, 59 | |
| General Properties | Lighteness, L (ASTM E-313) Elrepho 450x | 98.00% |
| Brightness (Ry, Din 53163) Elrepho 450x min | 96.00% | |
| Moisture-Ex. Works (ISO 787-2) max. | <0.1% | |
| PH (ISO 787-9) | 9 | |
| Oil Absorption (ISO 787-5) | 14 g/100g | |
| Dop Absorption (ISO 787-5) | 27g / 100 g | |
| Packed bulk densty (ISO 787-11) | 1,3 g/ml | |
| Main Applications | Paper, paint, plastic, pvc granule, pvc profile and wick applications, cable, food, chemicals, rubber, insulation materials etc. | |
| Packaging | 25 kg PP bags / Big bags. | |
| D50 (Mean particle size) max. | 3, 8 um |
|---|---|
| D97 (top-cut) max. | 25 um |
| Under 2 um particles (min.) | 28.00% |
| Residue on 45 um sieve (ISO 787-7) max. | 0, 1% |
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Malleswaram, Bangalore, Karnataka 
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