Introduction
Brown fused alumina is fused and crystallized under high temperature from a mixture of bauxite and other material .
Characteristic as follows
high hardness
good toughness
sharp shape in size
Physical property
| Crystal System | Hexagonal |
| True Density | 3.90g/cm3 min |
| Mohs Hardness | 9 |
| Micro Hardness | HV1800-22 |
Chemical Constitution%
| Grit Size | Al2O3 | TiO2 | SiO2 | Fe2O3 | CaO |
| F4-F80 | 95-96 | 1.5-3.8 | 1.21 | 0.3 | 0.45 |
| F90-F150 | 94.5-95.5 | 1.5-3.8 | 1.21 | 0.3 | 0.45 |
| F180-F220 | 93.5-95.5 | 1.5-3.8 | 1.21 | 0.3 | 0.45 |
| F220 Finer | >92 | 1.5-3.8 | 1.21 | 0.3 | 0.45 |
Usage Range
Coated and bonded abrsive tools
lapping and polishing process
sandblasting
producing mold of precision casting
reafrctory maetrial including low cement castables,plastics,bricks,etc.
