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Brown Fused Alumina Micro Grits
Brown fused alumina micro powder is widely used in glass bulb grinding in the color TV industry, as well as in the production of sandpaper, emery cloth, modules, high-quality abrasives,etc.
Product Details
Brown fused alumina micro powder is widely used in glass bulb grinding in the color TV industry, as well as in the production of sandpaper, emery cloth, modules, high-quality abrasives,etc.
Applications
a.) BFA Grinding wheel, cutting wheel, abrasive disc,
b.) Fine sandblasting, polishing,abrasive paper, abrasive belt.
| Chemical Composition % | Grade A | Grade B |
| Al2O3 | 92%min | 90% min |
| SiO2 | 1.2max | 2%max |
| Fe2O3 | 0.5max | 1.3%max |
| TiO2 | 6.5max | 4.5%max |
| Abrasives micro size distribution Japan standard JIS #240~2000 | ||||||||
| Settlement pipe particle size analysis method(μm) | Electric-resistivity grain counter method(μm) | |||||||
| ds0 | ds3 | ds50 | ds94 | ds0 | ds3 | ds50 | ds94 | |
| #240 | 127 | 90 | 60±4.0 | 48 | 127 | 103 | 57±3.0 | 40 |
| #280 | 112 | 79 | 52±3.0 | 41 | 112 | 87 | 48±3.0 | 33 |
| #320 | 98 | 71 | 46±2.5 | 35 | 98 | 74 | 40±2.5 | 27 |
| #360 | 86 | 64 | 40±2.0 | 30 | 86 | 68 | 35±2.0 | 23 |
| #400 | 75 | 56 | 34±2.0 | 25 | 75 | 58 | 30±2.0 | 20 |
| #500 | 65 | 48 | 28±2.0 | 20 | 63 | 50 | 25±2 | 16 |
| #600 | 57 | 43 | 24.0±1.5 | 17 | 52 | 41 | 20±1.5 | 13 |
| #700 | 50 | 39 | 21.0±1.3 | 14 | 45 | 37 | 17±1.3 | 11 |
| #800 | 46 | 35 | 18.0±1.0 | 12 | 38 | 31 | 14±1.0 | 9 |
| #1000 | 42 | 32 | 15.5±1.0 | 9.5 | 32 | 27 | 11.5±1.0 | 7 |
| #1200 | 39 | 28 | 13.0±1.0 | 7.8 | 27 | 23 | 9.5±0.8 | 5.5 |
| #1500 | 36 | 24 | 10.5±1.0 | 6.0 | 23 | 20 | 8.0±0.6 | 4.5 |
| #2000 | 33 | 21 | 8.5±0.7 | 4.7 | 19 | 17 | 6.7±0.6 | 4 |
Packing
1000kg or 1250kg bulk bags
Bulk bag on pallets
25kg woven bag in bulk bags
25kg paper bag on pallets
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