BROWN FUSED ALUMINA BFA GRIT
Grit:F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220
Chemical composition %
| Al2O3 | ≥95.0% |
| Fe2O3 | ≤0.30% |
| SiO2 | ≤1.00% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Physical Properties
| Specific Gravity | Specific Gravity |
| Mohs Hardness | 9.0 |
| Bulk Density | 1.53-1.99g/cm3 |
| Melting Point | 2250℃ |
| Refractoriness | 1900℃ |
Size range of brown fused alumina BFA grit
| Grit | Size range（um) | Grit | Size range（um) |
| F12 | 2000-1700 | F54 | 355-300 |
| F14 | 1700-1400 | F60 | 300-250 |
| F16 | 1400-1180 | F70 | 250-212 |
| F20 | 1180-1000 | F80 | 212-180 |
| F22 | 1000-850 | F90 | 180-150 |
| F24 | 850-710 | F100 | 150-125 |
| F30 | 710-600 | F120 | 125-106 |
| F36 | 600-500 | F150 | 106-75 |
| F40 | 500-425 | F180 | 90-63 |
| F46 | 425-355 | F220 | 75-53 |
Main Applications of Brown fused alumina BFA
-Bonded Abrasives and Coated abrasives
-Cutting wheels/Cutting disc etc
-Wet and dry blast media,grinding and polishing etc
-PCB plate(PCBA,FPC,LED) blasting
-Polishing wax,Grinding stones,polishing pads etc
-removal of scale, rust and old coatings
-ceramics shapes
-Grinding wheels,Cup wheels etc
-brake and friction linings
…
Production Sizes
| FEPA | 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 | #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 |
| P | P12 P16 P20 P24 P30 P36 P40 P50 P60 P80 P100 P120 P150 P180 P220 P240 P280 P320 P360 P400 P500 P600 P800 P1000 P1200 P1500 P2000 |
| TOCT | 4# 3# M28 M20 M14 M10 M7 |
Packing
 |  |  |  |
| 25KGS PVC BAGS | 1MT BIG BAG | 25KGS PVC BAGS+1MT BIG BAG | 25KGS PVC BAGS+PALLET |
Production lines
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Purity of other grades BFAO Brown Fused Alumina BFA
| Grade | Al2O3 % |
| B | 85-92% |
| C | 70-80% |
| D | 60-70% |
| E | 50-60% |
