White fused alumina is made in arc furnace with high grade processed alumina as raw materials. It has higher hardness , high toughness, and also characterized by its high purity. As the abrasive materials, it is suitable for grinding high-speed, high carbon steel. also widely used for bonded and coated abrasives, polishing, precision casting and so on.
Physical property:
Mohs Hardness |
Bulk Density |
Specific Gravity |
Volume Density |
Melting Point |
Maximum service temperature |
9.0 |
1.75-1.95g/cm3 |
3.95g/cm3 |
3.6g/cm3 |
2250°C |
1900°C |
Chemical composition:
Al2O3 |
Fe2O3 |
Na2O |
SiO2 |
CaO |
K2O |
≥99.5% |
≤0.08% |
≤0.30% |
≤0.10% |
≤0.03% |
≤0.03% |
* Usage:
1. The process of blasting TV screens
2. The cutting of silicon wafer
3. The process of cleaning and blasting tooth model
4. Precision sand casting
5. High refractory and other ceramic additives
6. to make sandpaper & sandclothPacking&shipping:
*About us:
Henan Sicheng Abrasives Tech Co., Ltd, manufacturer & supplier of abrasives , aluminum oxide & silicon carbide ect for sandblasting, grinding, polishing, surface cleaning and preparation.Have been in this field since 1999, we now have clients all over the world and enjoy high reputation.