| Property | unit | value |
| Bulk Density | g/cm3 | 3.86 |
| Hardness（HV） | Gpa | >14.7 |
| Bending strength | MPa | >=360 |
| Fracture toughness | MPa | 5-6 Mpa.m 1/2 |
| Coefficient of thermal expansion | 7.0-7.5x10-6.0c | |
| Porosity | % | <0.04% |
| Water absorption | % | <0.025% |
| Surface roughness | <=0.5μm | |
| Particle size | Submicron |