White fused alumina powder is made of high-purity low-sodium alumina powder by melting at the high temperature, cooling crystallization, and then crushing. The white fused aluminum oxide powder grit is under strict controlling to keep the grain size distribution and the consistent appearance.
Abrasives Grade | Refractory Grade | |||||
Item | Grain | Micro Powder | Group Size | Fine Powder | ||
Al2O3 (%)≥ | 99 | 99 | 99 | 98.5 | 99 | 99 |
Fe2O3 (%)≤ | 0.05 | 0.06 | 0.08 | 0.1 | 0.1 | 0.1 |
SiO2 (%)≤ | 0.26 | 0.28 | 0.30 | 0.40 | 0.35 | 0.35 |
TiO2 (%)≤ | 0.08 | 0.09 | 0.10 | 0.15 | 0.3 | 0.3 |
Size | 12-80 | 90-150 | 180-220 | 240-4000 | 0-1mm1-3mm
3-5mm 5-8mm |
-180mesh -200mesh -240mesh -320mesh |
Physical Properties |
||||
Appearance | Angular | |||
Color | White | |||
Hardness | MOH 9.0 2100-3000kgf/cm2 | |||
True Density | ≥3.90g/cm3 | |||
Basic Material | a-Al2O3 |
Chemical Analysis |
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Grain Size |
Component |
Required by GB Standard |
Typical Value of Our Product |
#4 - #80 |
Al2O3 |
≥ 99.10% |
99.65% |
Na2O |
≤ 0.35% |
0.22% |
|
Fe2O3 |
- |
0.03% |
|
SiO2 |
- |
0.03% |
|
#90 - #150 |
Al2O3 |
≥ 99.10% |
99.35% |
Na2O |
≤ 0.40% |
0.30% |
|
Fe2O3 |
- |
0.04% |
|
SiO2 |
- |
0.05% |
|
#180 - #220 |
Al2O3 |
≥ 98.60% |
99.20% |
Na2O |
≤ 0.50% |
0.34% |
|
Fe2O3 |
- |
0.05% |
|
SiO2 |
- |
0.08% |
Product Application
1.Sandblasting, polishing and grinding of metal and glass.
2.Filling of the paint, wear-resistant coating, ceramic, and glaze.
3.Making of oil stone, grinding stone, grinding wheel, sandpaper and emery cloth.
4.Production of ceramic filter membranes, ceramic tubes, ceramic plates.
5.Production of polishing liquid, solid wax and liquid wax.
6.For the use of wear-resistant floor.
7.Advanced grinding and polishing of piezoelectric crystals, semiconductors, stainless steel, aluminum and other metals and non-metals.
8.Specifications and composition.
If you have any questions.Please feel free to contact us.