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Malaysia
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taman kuala krai, Kuala Krai, Kelantan
Aluminium Oxide (Al2O3 ) or alumina is one of the most versatile of refractory ceramic oxides and finds use in a wide range of applications.
It is found in nature as corundum in emery, topaz, amethyst, and emerald and as the precious gemstones ruby and sapphire, but it is from the more abundant ores such as bauxite, cryolite and clays that the material is commercially extracted and purified.
Corundum exists as rhombohedral crystals with hexagonal structure. The unit cell is an acute rhombohedron of side length 5.2Å and plane angle ~*5°. It is the close packing of the aluminium and oxygen atoms within this structure that leads to its good mechanical and thermal properties.
| Country: | Malaysia |
| Model No: | rock |
| FOB Price: | Get Latest Price |
| Place of Origin: | - |
| Price for Minimum Order: | - |
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| Packaging Detail: | - |
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