| Density (fully-dense) | 3.2 g/cm3 |
| Density factor (1 - porosity) | 0.95 |
| Young's modulus | 200-300 GPa |
| Poisson's Ratio | 0.16~0.18 |
| Thermal expansion coefficient | 4.0 x 10-6/K |
| Thermal conductivity, in-plane | 20 W/K-m |
| Thermal conductivity, through thickness | 20 W/K-m |
| Maximum allowable combined stress | 190 MPa |
| Maximum allowable Temp (based on swelling) | 1000°C |
| Maximum allowable interface Temperature with PbLi | 1000°C |
| Minimum operating Temp (based on degradation of k under irradiation) | 600°C |
| Projected future cost | <$400/kg |
| Lifetime limit | ~3% burnup |