White Fused Alumina:
White fused alumina electrically fused in arc furnace with high grade processed alumina as raw material. It is characterized by high hardness, high purity, ability of self-sharpening, good ability of grinding and so on, it widely used for bonded and coated abrasives , polishing, precision casting and so on .
| Purpose | Specification | Chemical composition(%) | Magnetic material content(%) | ||||
| Al2O3 | Na2O | SiO2 | CaO | ||||
| For abrasive | F | 12#—80# | 99.0Min | 0.4Max | — | ------ | 0.002Max |
| 90#—150# | 99.0Min | 0.4Max | 0.002Max | ||||
| 180#—1000# | 98.5Min | 0.5Max | — | ------- | 0.002Max | ||
|
Item |
Specification |
|
Colour |
white |
|
Crystal System |
trigonal system |
|
Mohs Hadness |
≥9 |
|
Melting Temperature（℃） |
2150 |
|
Refractory Temperature（℃） |
1950 |
|
True Density |
≥3. 50 |
