| info@nationalenterprises.org |
| +91-9718383333 |
Salient Features & Application :
Chemical Composition
| Component | Normal Composition (WT %) Range |
(WT %) Range |
| Silicon Dioxide [SiO2] | 25-35% | 80 mg/m3 ; %SiO2 |
| Free Silica | <0.5% | 10 mg/m3 [Respirable Dust]; %SiO2+2 |
| Cristobalite | ND | 30 mg/m3 [Quartz Total Dust]; %SiO2+2 |
| Tridymite | ND | 80 mg/m3 [Respirable Dust]; %SiO2 |
| Aluminium | Oxide [Al2O3] | 2-9% |
| Calcium Oxide | [CaO] | 2-9% |
| Magnesium Oxide | [MgO] | 1-5% |
| Iron Oxide | [FeO] | 45-55% |
| Potassium Oxide | [K2O] | 1-5% |
| Titanium Dioxide | [TiO2] | 0-2% |
| Copper Oxide | [CuO] | 0.7% Max |
| ND | - | Not Detectable |
Physical Properties
| Physical Form | Angular Granules |
| Specific Gravity | 3.5g/cm3 Typical |
| Hardness | 6 Moh |
| Bulk Density | 1.75 Tonnes/m3 |
| Melting Temperature | > 2500°F |
| Chloride | < 7ppm |
| Colour | Black |
| Evaporation Rate | N/A |
| Water Solubility | Negligible |
| Odour | None |
| Conductivity at 25oC | 2m/S/m |
| Moisture Content | <0.1% |
| Size (Min – Max) | 1MM TO 1.5MM |
