Extremely high thermal conductivity
Excellent electrical insulation
Coefficient of thermal expansion matching that of Silicon
Good mechanical strength and high-temperature resistance
Chemical corrosion resistance
| Property | Unit | Value |
| Density | g/cm³ | 3.26 |
| Mohs Hardness | – | 7 – 8 |
| Flexural Strength | MPa | 300 – 400 |
| Melting Point | °C | >2200 (decomposes in N₂) |
| Maximum Service Temperature | °C | ~1350 (in air) |
| Thermal Conductivity (20°C) | W/(m·K) | 140 – 180 |
| Coefficient of Thermal Expansion | ×10⁻⁶/K | 4.5 – 5.0 |
| Volume Resistivity (20°C) | Ω·cm | >10¹⁴ |
| Dielectric Strength | kV/mm | 15 – 20 |
| Dielectric Constant (1MHz) | – | 8.5 – 9.0 |
High-power LED substrates, integrated circuit packaging substrates and heat sinks, semiconductor equipment components, laser diode heat sinks, high-temperature crucibles, electronic insulators, etc.
No. 88, Nanhuan East Road, Yucheng City, Shandong Province