Brown Corundum for abrasive sponge
Sizes: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℃ |
PSD(Particle Size Distribution) of brown Corundum
| F12 | +2800um | 0 | +2000um | ≤20% | +1700um | ≥45% | +1700+1400um | ≥70% | -1180um | ≤3% |
| F14 | +2360um | 0 | +1700um | ≤20% | +1400um | ≥45% | +1400+1180um | ≥70% | -1000um | ≤3% |
| F16 | +2000um | 0 | +1400um | ≤20% | +1180um | ≥45% | +1180+1000um | ≥70% | -850um | ≤3% |
| F20 | +1700um | 0 | +1180um | ≤20% | +1000um | ≥45% | +1000+850um | ≥70% | -710um | ≤3% |
| F22 | +1400um | 0 | +1000um | ≤20% | +850um | ≥45% | +850+710um | ≥70% | -600um | ≤3% |
| F24 | +1180um | 0 | +850um | ≤25% | +710um | ≥45% | +710+600um | ≥65% | -500um | ≤3% |
| F30 | +1000um | 0 | +710um | ≤25% | +600um | ≥45% | +600+500um | ≥65% | -425um | ≤3% |
| F36 | +850um | 0 | +600um | ≤25% | +500um | ≥45% | +500+425um | ≥65% | -355um | ≤3% |
| F46 | +600um | 0 | +425um | ≤30% | +355um | ≥40% | 355+300um | ≥65% | -250um | ≤3% |
| F54 | +500um | 0 | +355um | ≤30% | +300um | ≥40% | +300+250um | ≥65% | -212um | ≤3% |
| F60 | +425um | 0 | +300um | ≤30% | +250um | ≥40% | 250+212um | ≥65% | -180um | ≤3% |
| F70 | +355um | 0 | +250um | ≤25% | +212um | ≥40% | +212+180um | ≥65% | -150um | ≤3% |
| F80 | +300um | 0 | +212um | ≤25% | +180um | ≥40% | +180+150um | ≥65% | -125um | ≤3% |
| F90 | +250um | 0 | +180um | ≤20% | +150um | ≥40% | +150+125um | ≥65% | -106um | ≤3% |
| F100 | +212um | 0 | +150um | ≤20% | +125um | ≥40% | +125+106um | ≥65% | -75um | ≤3% |
| F120 | +180um | 0 | +125um | ≤20% | ≥40% | ≥40% | +106+90um | ≥65% | -63um | ≤3% |
| F150 | +150um | 0 | +106um | ≤15% | +75um | ≥40% | +75+63um | ≥65% | -45um | ≤3% |
| F180 | +125um | 0 | +90um | ≤15% | +75um | * | +75+63um | ≥40% | -53um | * |
| F220 | +106um | 0 | +75um | ≤15% | +63um | * | +63+53um | ≥40% | -45um | * |
Main Applications of brown Corundum
-Bonded Abrasives and Coated abrasives
-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
-Producing sponge media,abrasive sponge etc
…
Packing
 |  |  |  |
| 25KGS PVC BAGS | 1MT BIG BAG | 25KGS PVC BAGS+1MT BIG BAG | 25KGS PVC BAGS+PALLET |
Production lines Show
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Available 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 |
Purity of other grades brown corundum
| Grade | Al2O3 % |
| B | 85-92% |
| C | 70-80% |
| D | 60-70% |
| E | 50-60% |
