1.High hardness
2.High strength
3.Low density
4.Low thermal expansion
5.Low density
6.Excellent wear resistance, impact resistance and corrosion resistance
7. Excellent flatness and high temperature resistance, up to 1380ºC
8. Excellent oxidation resistance
9. Good dimensional control of complex shapes
10. Easy installation
11. Longer service life (about 5 times of alumina ceramics and 6 times of polyurethane)










