churu, Rajasthan, India
Our Products
Chemical Composition
| Calcium Carbonate | 93 % to 99 % |
|---|---|
| Free Silica | 1% max |
| Other Oxides | 0.55 % |
| Brightness | 96% |
Physical Properties
| Luster | Vitreous |
|---|---|
| Diaphone (Transparency) | Transparent, Translucent |
| Color | White |
| Streak | White |
| Hardness (Mohs') | 3 |
| Hardness Data | Mohs' hardness reference species |
| Tenacity | Brittle |
| Cleavage | Perfect |
| Perfect On | {10-11} |
| Fracture | Irregular/Uneven, Step-Like |
| Density (measured) | 2.7102 g/cm3 |
| Density (calculated) | 2.711 g/cm3 |
Chemical Composition
| SiO2 | 60 - 62% |
|---|---|
| Al203 | 0.25 - 0.28% |
| MgO | 30% - 33% |
| CaO | Less Than 1 % |
| Fe203 | Less Than 1 % |
| LOI | 4 to 5% |
| Brightness | Brightness in Talc grades is available from 75% to 98%. |
Chemical Composition
| Calcium Oxide as CaO | 32.11% |
|---|---|
| Magnesium Oxide as MgO | 20.59% |
| Silica as SiO2 | 0.25% |
| Alumina as Al2O3 | 0.14% |
| Ferric Oxide as Fe2O3 | 0.50% |
| Loss on Ignition | 44.87% |
| Calcium Carbonate as CaCO3 | 50.94% |
| Magnesium Carbonate as MgCO3 | 43.06% |
Physical Properties
| Appearance | White Powder, with 95% whiteness |
|---|---|
| Moisture | 0.5% - 0.7% |
Test Results
| Properties | Required Value | Result |
|---|---|---|
| 600 - Dial Reading | 30 - Min. | 35 |
| 300 - Dial Reading | - | 25 |
| Plastic Viscosity (Pv) | - | 10 |
| Yield Point (Yp) | (3 x Pv) Or 30 - Max. | 15 |
| Filtrate Volume | 15 - Mls Max. | 14.2 Mls |
| Moisture Content | 10% Max. | 9.37% |
| Wet Screen Analysis | 4 % Max. | 1.30% |
Test Results
| Test | Results |
|---|---|
| Swelling Capacity (2 Gms / 100 Mls.) | 25 - 32% |
| pH | 8.5 - 9.5 |
| Liquid Limit | 450 - 650 |
| Green Comp. Strength (6:3) | 11 - 13 PSI |
| Dry Comp. Strength (6:3) | 60 - 70 PSI |
| Base Exchange Capacity | 400 - 430 Mgs of MB per Gms of Bentonite |
| Moisture Content | 10 - 12 % |
Test Results
| Properties | Required Value | Results |
|---|---|---|
| 600 - Dial Reading | 30 - Min. | 39 |
| 300 - Dial Reading | - | 33 |
| Plastic Viscosity (Pv) | - | 6 |
| Yield Point (Yp) | (6 x Pv) Or 36 Max. | 27 |
| Filtrate Volume | 16 - Mls Max. | 14.8 Mls |
| Moisture Content | 13% Max. | 9.37% |
| Wet Screen Analysis | 2.5 % Max. | 2.10% |
