| Item | CNMC-60 | CNMC-65 | CNMC-70 |
| AL2O3(%) | 59~61 | 64~65 | 68~70 |
| Bulk Density g/cm³（1000℃*3h） | 1.25~1.4 | 1.45~1.5 | 1.5~1.6 |
| Linear Change(Firing at 1350℃)(%) | -(0.2~0.3) | 0~-0.2 | ±0.2 |
| Modulus of Rupture(Firing at 1350℃) (Mpa) | 1.5~2.5 | 2.5~3.5 | 3.0~4.5 |
| Thermal Conductivity W/m.k(800℃) | 0.4~0.45 | 0.45~0.5 | 0.5~0.55 |
