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Brown Fused Alumina
Brown Fused Alumina (BFA) is produced by a reduction fusion of high quality bauxites in electric arc furnaces. It is both a hard and tough material with high strength, making it an excellent abrasive grain for applications such as grinding wheels, sandpaper, blasting media, metal preparation, lapping, polishing, and grinding. Its thermal properties make it an excellent raw material for refractory applications.
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Properties
A GRADE
|
Chemical Analysis(%) |
Physical Properties |
||
|
Al2O3 |
92.5-97.0% |
Specific Gravity |
3.90g/cm3 |
|
Fe2O3 |
0.3-1.0% |
Bulk density |
1.53-1.99g/cm3 |
|
SiO2 |
1.0-2.0% |
Mohs Hardness |
9.0 |
|
TiO2 |
1.5-4.0% |
|
|
B Grade
|
Chemical Analysis(%) |
Physical Properties |
||
|
Al2O3 |
70-80% |
Specific Gravity |
3.50-3.90g/cm3 |
|
Fe2O3 |
8-15% |
Bulk density |
1.30-1.90g/cm3 |
|
SiO2 |
2-5% |
Mohs Hardness |
7.0-9.0 |
|
TiO2 |
3-5% |
|
|
C Grade
|
Chemical Analysis(%) |
Physical Properties |
||
|
Al2O3 |
50-65% |
Specific Gravity |
3.50-3.90g/cm3 |
|
Fe2O3 |
12-20% |
Bulk density |
1.30-1.90g/cm3 |
|
SiO2 |
15-25% |
Mohs Hardness |
7.0-9.0 |
|
TiO2 |
4-6% |
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Available Sizes
|
Size |
FEPA |
0-1mm 1-3mm 3-5mm 5-8mm -100mesh -200mesh -325mesh F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 |
|
JIS |
0-1mm 1-3mm 3-5mm 5-8mm -100mesh -200mesh -325mesh #8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 |
Application
- Refractory,Casting etc
- Bonded abrasives and Coated abrasives
- Surface treatment/finishing
- Lapping, polishing,decorative non-skid tile, and pressure blasting
- Ceramic Tiles special ceramics
- Fluidized Bed Furnaces and Skin / Dental Care
- Grinding high carbon steel, high-speed steel and chilled steel
