1. Features: high hardness, wear resistance and pressure resistance
2. Features: stable accuracy
3. Acid resistance: 99.68
4. Alkali resistance: 100%
5. Water absorption: 0.10%
6. Elastic modulus: 5.90MPa
7. Surface roughness: 0.32-0.63μm
8. Radioactivity specific activity: 24Bq/Kg
9. Compressive strength: 237MPa
10. Bending strength: 29.4MPa