| Thermal conductivity (W/m・K) | Specific heat (J/kg・K) | Density (kg/m3) |
| Aluminum | 237 | 900 | 2700 |
| Teflon | 0.2 | 1172 | 1450 |
| Steel | 15 | 470 | 8000 |
| Composite material | l// estimated | 1400 | 1835 |