Hexagonal Boron Nitride vs. High-alumina Refractory
Hexagonal boron nitride belongs to the non-oxide engineering ceramics classification, while high-alumina refractory belongs to the oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is hexagonal boron nitride and the bottom bar is high-alumina refractory.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.9 to 2.1 | |
| 2.1 |
| Flexural Strength, MPa | 18 to 140 | |
| 28 |
| Maximum Temperature: Mechanical, °C | 1030 to 2350 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 840 to 1610 | |
| 800 |
| Thermal Conductivity, W/m-K | 29 to 96 | |
| 1.5 |
| Thermal Diffusivity, mm2/s | 9.9 to 34 | |
| 0.87 |
| Thermal Expansion, µm/m-K | 0.54 to 18 | |
| 4.3 |