Parameters | Antenna Cover | Heat shield | Thermal protection layer | Metal connecting ring | Bonding agent |
Materials | SCFC | Silicon dioxide based porous materials | Silicone based materials | Invar | High temperature bonding agent |
Density (kg/m3) | 1950 | 0.3 × 103 - 0.4 × 103 | 0.9 × 103 - 1.2 × 103 | 8.1 × 103 | 1.1 × 103 |
Thermal conductivity (W/mK) | 0.78 (25˚C) 0.91 (300˚C) 1.25 (800˚C) | 0.06 (25˚C) 0.1 (600˚C) | 0.2 - 0.5 | 10 - 13 | 0.2 - 0.3 |
Specific heat (J/kg∙K) | 756 (25˚C) 1008 (300˚C) 1176 (800˚C) | 630 - 700 | 1100 - 1200 | 515 | 1740 |