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TYPICAL PHYSICAL PROPERTIES OF OLIVINE SAND
Colour | Olive Green or Palely Green | Grain Shape | Angular/ Subangular | Melting Point (oC) | ~1,800 | Specific Gravity (g/cm3) | 3.2- 3.4 | Bulk Density, Loose (g/cm3) | 1.45- 1.75 | Fusion Point (�C) | 2800- 3200 | 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 |
TYPICAL CHEMICAL ANALYSIS OF OLIVINE SAND
Free Silica Content (%) | <0.1 | Water Solubility | Not soluble | Reactivity | Inert |
MgO | 49% MAX. | SiO2 | 41% MAX. | Fe2O3 | 12 % MAX. | Al2O3 | 0.5-2.0% MAX. | Cr2O3 | 0.25% Max. | CaO | 0.2% Max. | L.O.I. | 1.5 |
Applications : Blastcleaning, foundry sand, refractories, welding electrodes, iron ore processing, abrasives, agriculture, aggregates, roofing tiles, lasers, tundishes, ladle linings, electric arc furnaces, open hearth stoves, soaking pit bottoms, hot tops, forsterite bricks
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