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Help Center99.5% High Purity Abrasives White Fused Alumina Wholesale White Corundum Powder 70#
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99.5% High Purity Abrasives White Fused Alumina Wholesale White Corundum Powder 70#
Introduction white corundum
White corundum was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling.After two crushing and shaping by the grinder, the iron is magnetically selected and finally sieved into different models of grains. The main chemical component of white corundumgrains is AL2O3, which is white opaque and has a high Mohs hardness. The white corundumgrains has the characteristics of high temperature resistance, acid and alkali corrosion resistance, strong grinding ability and stable thermal performance. It is suitable for surface beautification of glass and metal, and can also be used as raw material for sandblasting and rust removal.
Physical and chemical indicators:
Grains |
Type |
|
AL2O3 |
≥99.5 |
70# |
Fe2O3 |
≤0.05 |
|
Na2O |
≤0.30 |
|
SiO2 |
≤0.03 |
|
Physical index | |
Mohs hardness |
9 |
Bulk density |
1.75-1.95g/cm3 |
Real density |
3.95 |
Melting point |
2250 |
Product
Application
White corundum can be used as sandblasting in the production of TV screens.
Stamp, marble tombstone, ceramic, wood etching processing
The burrs of aluminum die-casting products, electronic parts, bakelite, plastics, magnetic cores, etc. are removed.
Bonded abrasives and coated abrasives
Surface smear and rust removal of metal oxide layers, metal or non-metal products
Surface preparation and finishing
Packaging&shipping
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