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White fused alumina 99%
Our white fused alumina choose first grade aluminum oxide as raw material and smelt in arc electronic furnace in high temperature. It has properties of good crystal, big bulk density, high purity, high temperature resistant, anti corrosion etc. White fused alumina widely used in high grade refractory products, abrasive, abrasive tools, polishing, special ceramic etc.
Chracteristics of WFA from us:
Choosing high quality aluminum oxide as raw material
High refractoriness
High purity
Anti-alkali & acid corrosion
Good thermal stability
Good self-sharpening
Good grinding ability
Suitable for grinding high carbon steel, high speed steel etc.
Meet GB, FEPA, JIS, ANSI standard
| Model: WFA JIS#4000 |
| Chemical compositions |
Physical properties |
| Items |
specification (%) |
Items |
Property |
| Al2O3 |
99.00min |
Color |
White |
| SiO2 |
0.15max |
Bulk density |
1.75-1.95g/cm3 |
| Na2O |
0.35max |
True density |
3.95-3.97g/cm3 min |
| Fe2O3 |
0.08max |
hardness |
Mohs hardness |
9 |
| Micro hardness |
21600-22600kg/mm3 |
| usage |
Abrasive/polishing |
magnetic substance |
0.0023%max |
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