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| GRADE 1 |
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| MgO |
47.5 % Min. - 49% MAX. |
| SiO2 |
39.5 % Min - 41% MAX. |
| Fe2O3 |
7% Min - 8 % MAX. |
| Al2O3 |
0.2% Min - 0.5% MAX. |
| Cr2O3 |
0.05% Min - 0.25% Max. |
| CaO |
0.06% Min 0.2% Max. |
| L.O.I. |
0.5 Min - 1.5 Max. |
| Physical Properties |
| Melting Point (oC) ~ 1750 |
| Bulk Density, Loose (g/cm3) 1.45- 1.75 |
| Thermal Expansion (in./in.) 0.0083 |
| Loss On Ignition <1.5%. |
| Thermal Conductivity @1000°C (cal/s-cm -°C) 0.0025 |
| Mohs Hardness @20°C 7.0 (Scale 7-8000) |
| pH Slightly Basic |
| Free Silica Content (%) < 0.1 |
| Specific Gravity : 3.2-3.4 g/cc |
| Fusion temperature of Olivine Sand 1600-1750 °C |
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| GRADE 2 |
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| Chromite Sand |
| Coconut Shell
Charcoal |
| Coconut Shell
Charcoal Barbecue Briquettes |
| Exfaliated
Vermiculite |
| Hardsetting Compound |
| Multipurpose Cleaning
Cream |
| Natural
Graphite Powder |
| Olivine Sand |
| Perlite Ore |
| Perlite Ore
(Tavukcukuru) |
| Perlite Ore 251 CG |
| Rutile Sand |
| Waterborne Epoxy |
| Zircon Sand |
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