Can you customized quality, size, package according to customer?
Yes, of course. The OEM is available. We will do the creation in your requirement and make ur image come true.
White fused alumina micro grits powder FEPA & JIS
White fused alumina micro grits powder FEPA & JIS using the high-quality fine powder, further broken and shaped by a pipe mill and removed iron, acid pickling and moisture by magnetic separation. White fused alumina micro grits are produced by the grinding & classification of selected Macro grain feedstock in advanced milling and classifying facility. The sizes are controlled and tested using an x-ray sedimentation particle size analyzer and particle counter. Micro grits generally conform to the FEPA (Federation of European Producers of Abrasives) specifications. Also, the plant supplies JIS and other customer-specific sizes as required.
Introduce of white fused alumina micro grits powder FEPA & JIS:
White fused alumina micro-powder is a high-quality α-alumina powder as a raw material. It also has high purity, good self-sharpening, acid and alkali resistance, high-temperature resistance, thermal state performance stability, and excellent insulation. White fused alumina powder is suitable for making bonded and coated grinding tools; wet or dry, sandblasting, ultra-fine grinding and polishing in the crystal and electronic industry; and making advanced refractory materials and materials with high tensile strength. Also, it can be used as a catalyst, insulator, precision casting sand, etc. White fused alumina powder is also widely used in the emerging wood flooring industry, circuit boards, special coatings, polishing waxes, etc. Compared with ordinary micro-powder, our fine powder and ultrafine micro-powder properties are more concentrated in particle size distribution, making uniform surface and better gloss performance of polished wafer.
Physical properties of white fused alumina micro grits powder FEPA & JIS:
| Melting point(℃) | 2250 | |
| Bulk density(g/cm3) | 1.80~1.95 | |
| Mohs Hardness | 9.0min | |
| Whiteness | 85min | |
| Size | FEPA F230-F1200 & JIS #240-#10000 | |
Chemical composite of white fused alumina micro grits powder FEPA & JIS:
| Item | Al2O3 % | Fe2O3 % max | SiO2 % max | Na2O % max |
| WAM-S | 99.5 | 0.05 | 0.10 | 0.35 |
| WAM-A | 99.7 | 0.05 | 0.10 | 0.06 |
Particle distribution of white fused alumina micro grits powder FEPA
| FEPA SIZE | Average grain size (μm) | ||
| ds3 (μm) max | ds50 (μm) | ds94 (μm) min | |
| F 230 | 77 | 55.7 ± 3.0 | 38 |
| F 240 | 68 | 47.5 ± 2.0 | 32 |
| F 280 | 60 | 39.9 ± 1.5 | 25 |
| F 320 | 52 | 32.8 ± 1.5 | 19 |
| F 360 | 46 | 26.7 ± 1.5 | 14 |
| F 400 | 39 | 21.4 ± 1.0 | 10 |
| F 500 | 34 | 17.1 ± 1.0 | 7 |
| F 600 | 30 | 13.7 ± 1.0 | 4.6 |
| F 800 | 26 | 11.0 ± 1.0 | 3.5 |
| F 1000 | 23 | 9.1 ± 0.8 | 2.4 |
| F 1200 | 20 | 7.6 ± 0.5 | 2.4 |
Particle distribution of white fused alumina micro grits powder JIS:
| Abrasives micro size distribution Japan standard JIS#240~10000 | ||||||||
| 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 |
| #2500 | 30 | 18 | 7.0±0.7 | 3.6 | 16 | 14 | 5.5±0.5 | 3 |
| #3000 | 28 | 16 | 5.7±0.5 | 2.8 | 13 | 11 | 4.0±0.5 | 2 |
| #4000 | 4.7±0.4 | 11 | 8 | 3.0±0.4 | 1.3 | |||
| #6000 | 8 | 5 | 2.0±0.4 | 0.8 | ||||
| #8000 | 6 | 3.5 | 1.2±0.3 | 0.6（ds75） | ||||
| #10000 | 0.8±0.2 | |||||||
White Fused Alumina（FAQ）
What’s lead time for bulk order?
1)for 5~25 tons, it takes around 10~15days. 2)For 26~200 tons,20-40days We will try to deliver it with the promise of quality guarantee as soon as possible
What is your terms of delivery?
EXW, FOB, CFR, CIF, DDU.
Do you test all your goods before delivery?
Yes, we have 100% test before delivery
What are the different coated abrasive grain types and their characteristics?
Aluminum Oxide – Aluminum Oxide is brown or reddish in color and a man-made abrasive. It is durable with tough cutting edges. It offers long life and is highly wear resistant even under stress applications. Its applications include aluminum, ferrous metals (including alloy steel), hardwood, and leather. Crocus – Crocus
What is the difference between aluminium oxide and white fused alumina?
Al2O3 alumina is the starting material of aluminium production, both of metallic aluminium and aluminium oxide. It is porous an has a large reactive surface.
Product Category
White Fused Alumina Products
White Fused Alumina News
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