| 1:Excellent thermal stability
and distortion resistance at high temperature. |
5:Excellent oxidating resistance. |
| 2:High mechanical strength at high temperature. |
6:Excellent corrosion resistance at high temperature. |
| 3:Excellent thermal shock resistance. |
7:Excellent corrosion resistance against
chemicals. |
| 4:High thermal conductivity. |
8:High abrasion resistance. |