| Item | Value |
| Max.Hot face Temperature(℃) | 1650℃ |
| Cold Modulus of Rupture(Mpa) | ≥40 |
| 1400℃ Modulus of Rupture(Mpa) | ≥45 |
| 1000℃ Modulus of Rupture(Mpa) | ≥42 |
| Cold Compressive Strength(Mpa) | ≥150 |
| Bulk Density( g/cm3) | ≥2.65 |
| Thermal Expansion (20-1400℃) | ≤4.8×10-6 |
| Porosity(%) | ≤17 |
| Thermal Conductivity(W/m.K) | ≥16 |
| SiC(%) | ≥72 |
| Si3N4(%) | ≥18 |
| Fe2O3(%) | ≤0.7 |
| SiC+ Si3N4(%) | ≥94 |