

| Density | Bending Strength | Hardness | Apparent Porosity | Water Absorption | Elongation | Fracture Toughness | Compressive Strength |
| 5.8g/cm3 | 350Mpa | 12.0Gpa | ±2% | 0 | 4% | 4.5Mpa.m1/2 | 650Mpa |
| Atmosphere | 1700 Type | 1800 Type |
| Air | 1700 | 1800 |
| N2 | 1600 | 1700 |
| He | 1600 | 1700 |
| -80°C Dry H2 | 1150 | 1150 |
| -20°C Wet H2 | 1450 | 1450 |
| 10%CO2, 50%CO, 15%H2 | 1600 | 1700 |