White Fused Alumina is made of high-quality alumina powder as raw material,which is refined and crystallized by electrofusion.Its hardness is slightly higher than that of brown fused alumina,its toughness is slightly lower.high purity,good self-sharpening,strong grinding ability,low calorific value,high efficiency,acid and alkali corrosion resistance,high temperature resistance and stable thermal performance. It is used to make abrasive tools ,suitable for grinding high-carbon steel,high-speed steel,stainless steel and other fine-grained abrasives, and can also be used for precision casting and advanced refractory materials.
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Main sical Properties:
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Mohs Hardness | 9.0 |
Bulk Density | 1.75-1.95g/㎤ |
Real Denstiy | 3.95g/㎤ |
Melting Point | 2250℃ |
Maximum Service Temperature | 1900℃ |
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Application:
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1. Brake linings
2. Surface treatment
3. Bonded and coated abrasives
4. Thermal and plasma spraying
5. Floor and wall laminate materials
6. Lapping and micromolecular spraying
7. Advanced refractory and ceramic materials
 Chemical Composition(Used for refractory and castable)
Properties Type | 0-1mm,1-3mm,3-5mm | 0-100,0-200,0-320 | |||
Guarantee Value | Typical Value | Guarantee Value | Typical Value | ||
Chemical Composition | Al₂O₃ | ≥99% | 99.50% | ≥98.5% | 99.00% |
Na₂O | ≤0.4% | 0.06% | ≤0.3% | 0.08% | |
 Fe₂O₃ | ≤0.2% | 0.04% | ≤0.2% | 0.10% | |
SiO₂ | ≤0.4% | 0.30% | ≤0.4% | 0.35% | |
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