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PRODUCT
Corundum
Product Introduction
The corundum is used for refractory or abrasive material, with the hardness second only to that of diamond. Its crystal is barrel- shaped, column-shaped, plate-shaped, etc., with a melting point of 2,050°C. Corundum classification: Natural corundum (natural corundum is usually blue and yellow, and the transparent and brightly colored is called the gem; those containing trace chromium and with red color is called ruby, and those containing trace titanium and with blue color is called sapphire); artificial corundum (fused corundum and sintered corundum).
Chemical composition
Chemical composition of brown corundum:
Al2O3 |
SiO2 |
TiO2 |
Fe2O3 |
CaO |
MgO |
K2O |
Na2O |
95% |
1.5% |
2.5% |
0.25% |
0.1% |
0.1% |
0.1% |
0.05% |
B.D |
|
||||||
3.95-4.1 g/cm3 |
Granularity:
It is customized as required by the buyer, and its common specifications include 0-1 mm, 1-3 mm, 3-5 mm, 5-8 mm, 8-15 mm, 200 meshes,etc.
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CMP
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