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Excellent grade brown fused aluminum oxide BFA has following characteristics:
1) Choosing selected bauxite as raw material
2) Fused in arc electric furnace completely
3) High temperature resistance
4) High hardness
5) High intension
6) Good corrosion resistance
7) Good self-sharpening
8) Good thermal stability
9) Good chemical stability
Polishing grade BFA are available upon request.
CHEMICAL COMPOSITION OF BROWN FUSED ALUMINA |
Usage | Grit | Chemical Component % |
Al2O3 | TiO2 | SiO2 | Fe2O3 |
Refractory | 0~1mm | ≥95.00 | ≤3.00 | ≤1.00 | ≤0.3 |
1~3mm |
3~5mm |
5~8mm |
Coated and boned Abrasive | 4~80 | 95.00~96.50 | 1.50~3.00 | ≤1.00 | ≤0.30 |
90~150 | 94.50~96.50 | 1.50~3.00 | ≤1.00 | ≤0.30 |
180~220 | 94.00-96.50 | 1.50~3.00 | ≤1.20 | ≤0.30 |
~220 | ≥93.00 | 1.50~3.50 | ≤1.30 | ≤0.30 |




