CHEMICAL,PROPERTIES AND PSD OF WHITE ALUMINUM OXIDE F400
White aluminum oxide is also called white corundum,white fused aluminia,electrocorundum white 25A etc.
It is made from high quality aluminum oxide,with high hardness mohs 9.0.
Chemical of white aluminum oxide F400
| Al2O3 | 99.4-99.70% |
| SiO2 | 0.02-0.06% |
| Fe2O3 | 0.02-0.08% |
| Na2O | 0.15-0.40% |
| CaO | 0.01-0.04% |
Physical properties of white aluminum oxide F400
| Color | White |
| Crystal System | Trigonal system |
| Mohs Hardness | ≥9 |
| Melting Temperature(℃) | 2250 |
| Refractory Temperature(℃) | 1900 |
| True Density | ≥3.5 |
| Grain shape | Block, with sharp edges |
| Specific gravity | Approx. 3.9 – 4.1 g/cm3 |
| Bulk density | Approx. 1.75 – 1.99g/cm3 |
PSD(Particle Size Distribution) of white aluminum oxide F400
| Size | D3（um) | D50（um) | D94(um) |
| FEPA 400 | ≤32.0 | 17.3±1.0 | ≥8.0 |
Producer of white aluminum oxide-Zhengzhou Haixu Abrasives co.,ltd
Sizes of zhengzhou haixu abrasives co.,ltd produce:
| Fepa | F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
| JIS | #12 #14 #16 #20 #22 #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 #2500 #3000 #4000 #6000 #8000 |
| TOCT | 4# 3# M28 M20 M14 M10 M7 |
