White fused alumina oxide

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White fused alumina is electrically fused in arc furnace with high grade Bayer's process alumina as raw material. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, ability of self-sharpening, better cutting, less heat emit, higher efficiency, acid and alkali resistance, good thermal stability. Abrasives tools made of it are suitable for grinding high-speed, high carbon steel, etc. It also can be used as materials for grinding and polishing, precision casting, spraying and coating, medium body for chemical industry, special ceramics and high-grade refractory materials, etc.
1) For refractories materials
Specification(¢¡):
Al2O3 99%Min
Na2O 0.5%Max
Size 0-1mm/1-3mm/3-5mm/5-8mm/8-15mm/10-20mm/0-50mm
Specification(¢¢):
Al2O3 98.5%Min
Na2O 0.5%Max
Size 150mesh/200mesh/325mesh
2) For abrasives
For bonded abrasives
Chemical composition (weight %)
Grit NO. Al2O3 Na2O
F12-F80 98.50Min 0.50Max
F90-F150 98.50Min 0.60Max
F180-F220 98.20Min 0.70Max
Grit NO. Magnetic material content (%)
F12-F30 0.0023Max
F36-F60 0.0022Max
F70-F120 0.0021Max
F150-F220 0.0016Max

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