CHEMICAL,PROPERTIES AND PSD OF BROWN ALUMINUM OXIDE P280
Brown aluminum oxide also named brown corundum,brown fused alumina,electrocorundum brown 14A etc.
It is made from calcined bauxite with high hardness and good toughness.
Chemical of brown aluminum oxide P280
| Al2O3 | ≥93.5% |
| Fe2O3 | ≤0.50% |
| SiO2 | ≤1.50% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Physical properties of brown aluminum oxide P280
| 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 aluminum oxide P280
| Size | Ds0 µm (max) | Ds3 µm (max) | Ds50 µm | Ds95 µm (min) |
| P280 | 101 | 74.0 | 52.2±2.0 | 39.2 |
Producer of brown aluminum oxide—zhengzhou haixu abrasives co.,ltd
Sizes of brown aluminum oxide zhengzhou haixu abrasives co.,ltd produce:
| 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 |