Real specific weight | g/cm3 | min. 3.20+/-0.02 |
---|---|---|
Mohs Hardness | 9 | |
Roundness | % | min. 90 |
Crushing Strength(20mm) | kgf/mm2 | min. 1800 |
Water Absorption | % | 0.02 max |
Self-wearing(EWT) | % | 0.02 max.(24h) |
Color | White | |
Surface | Smooth and no cracking. | |
Chemical composition | Al2O3(%) | min. 80 |