Brown Fused Alumina
The main material of brown fused alumina is bauxite, which is electrically fused in high temperature. It is brown and features high hardness and toughness. The abrasive tools made of it are suitable for the grinding of carbon steel, malleable cast iron, hard bronze, etc.In addition, they are also used as refractory materials, chemical additive, precision founding and anti-sliding materials.
For Abrasives
Grit available:
BFA is available in grits F12 to F220,
sized in accordance with the current GB/FEPA/ISO/JIS/ANSI sieve standards. Other
sizes are also available on request.
Typical chemical analysis in wt.% (Grit 24):
|
Al2O3 |
TiO2 |
SiO2 |
Fe2O3 |
CaO+MgO |
|
95.50 |
2.20 |
1.20 |
0.20 |
0.68 |
Bulk
density （g/cm3）
|
Grit |
BFA |
Grit |
BFA |
|
F12 |
1.84-1.98 |
F54 |
1.69-1.83 |
|
F14 |
1.84-1.98 |
F60 |
1.66-1.80 |
|
F16 |
1.83-1.97 |
F70 |
1.64-1.78 |
|
F20 |
1.81-1.95 |
F80 |
1.62-1.76 |
|
F22 |
1.80-1.94 |
F90 |
1.60-1.74 |
|
F24 |
1.80-1.94 |
F100 |
1.57-1.71 |
|
F30 |
1.78-1.92 |
F120 |
1.54-1.68 |
|
F36 |
1.76-1.90 |
F150 |
1.52-1.66 |
|
F40 |
1.73-1.87 |
F180 |
1.50-1.64 |
|
F46 |
1.71-1.85 |
F220 |
1.48-1.62 |
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