2021-10-18
| Type\Item | 80 | 92 | 92A | 92H |
| Al2O3 Content % | ≥80 | ≥90 | ≥92 | ≥92 |
| Specific Gravity(g/cm3) | ≥3.30 | ≥3.60 | ≥3.65 | ≥3.70 |
| Hardness(Mohs Scale) | 9 | 9 | 9 | 9 |
| Anti-Compression Strength(Mpa) | ≥1800 | ≥2000 | ≥2000 | ≥2250 |
| Color | White | White | White | White |
| Equivalent Wear Loss（‰） | ≤0.15 | ≤0.12 | ≤0.1 | ≤0.08 |
