Chracteristics of WFA white fused alumina 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 |
Audited Supplier 
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