Silicon Carbide (CVD SiC)
Ultra-stiff ceramic with high thermal conductivity. Used for light-weighted space mirrors and optomechanical structures that cannot afford thermal distortion.
Flat optics material
Typical properties
- Transmission range
- Reflective use, mirror substrate
- Knoop hardness
- ~2500 kg/mm²
- Density
- 3.21 g/cm³
- Thermal expansion (CTE)
- 2.4 × 10⁻⁶ /K
- Thermal conductivity
- 250 W/m·K
- Young's modulus
- 466 GPa
Published values for this material class, given to help you shortlist a substrate. They are not lot-specific guarantees. Request the SPEKTON datasheet for certified figures against your specification.
Certified datasheets are in preparation. Ask the engineering team and they will send the current revision.
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