CHEMICAL,PROPERTIES AND MEAN DIAMETER OF BROWN FUSED ALUMINA 12/16/20/24/30/36/46/60MESH
Brown fused alumina is also called brown fused aluminum oxide,brown corundum,brown electrocorundum,emery sand etc;”BFA”,”A” for short.
Chemical of brown fused alumina 12/16/20/24/30/36/46/60mesh
| Al2O3 | ≥95.0% |
| Fe2O3 | ≤0.35% |
| SiO2 | ≤1.00% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Physical properties of brown fused alumina 12/16/20/24/30/36/46/60mesh
| Specific Gravity | ≥3.90g/cm3 |
| Mohs Hardness | 9.0 |
| Bulk Density | 1.53-1.99g/cm3 |
| Melting Point | 2250℃ |
| Refractoriness | 1900℃ |
Manufacturer of brown fused alumina–zhengzhou haixu abrasives co.,ltd.
The sizes of brown fused alumina that haixu abrasives produces:
| 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/ #2000mesh |
| 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 |
Mean diameter of brown fused alumina 12/16/20/24/30/36/46/60mesh
| Grit designation | Mean diameter（um) | Grit designation | Mean diameter（um) |
| 12mesh | 2000-1700 | 54mesh | 355-300 |
| 14mesh | 1700-1400 | 60mesh | 300-250 |
| 16mesh | 1400-1180 | 70mesh | 250-212 |
| 20mesh | 1180-1000 | 80mesh | 212-180 |
| 22mesh | 1000-850 | 90mesh | 180-150 |
| 24mesh | 850-710 | 100mesh | 150-125 |
| 30mesh | 710-600 | 120mesh | 125-106 |
| 36mesh | 600-500 | 150mesh | 106-75 |
| 40mesh | 500-425 | 180mesh | 90-63 |
| 46mesh | 425-355 | 220mesh | 75-53 |