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5N high purity alumina

5N-high-purity-alumina-for-sapphire-crystal-growth

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5N-high-purity-alumina-for-sapphire-crystal-growth

Basic Information:

CAS #:1344-28-1
Molecular formula: Al2O3                         
MW: 101.96
Melting point: 2050 ℃
Boiling point: 2980 ℃
Specification:
Item VK-L100G VK-L100K VK-L100Q VK-L100S VK-L100D
Crystal shape a a a a Multi-crystal
Appearance White powder White block White granules White fragment Columnar crystal
APS, um 0.2-3 50mm/60mm 1.5-3.5mm 1-3cm --
SSA, m2/g 3-12 -- -- -- --
Density, g/cm3 0.4-1 3.3-3.7 0.7-1.3 3.3-3.7 3.3-3.9
Assay, % 99.999 99.999 99.999 99.999 99.999
Si, ppm 2 2 2 2 2
Na, ppm 1 1 1 1 1
Fe, ppm 2 2 2 2 2
Ca, ppm 1 1 1 1 1
Mg, ppm 1 1 1 1 1
 
Application:
1, Single crystal of sapphire
2, Laser Crystal (YAG) and artificial gem
3, Colourful gem
4, White gem,red gem
 
Packing:25kg/barrel

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