Silicon Nitride vs. Wollastonite
Silicon nitride belongs to the non-oxide engineering ceramics classification, while wollastonite belongs to the oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is silicon nitride and the bottom bar is wollastonite.
Metric UnitsUS Customary Units
Material Properties
| Compressive (Crushing) Strength, MPa | 600 to 2950 | |
| 260 |
| Density, g/cm3 | 2.2 to 3.4 | |
| 2.8 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 8.0 to 10 | |
| 3.5 |
| Dielectric Strength (Breakdown Potential), kV/mm | 18 | |
| 6.0 |
| Flexural Strength, MPa | 130 to 810 | |
| 100 |
| Maximum Temperature: Mechanical, °C | 1000 to 1330 | |
| 1200 |
| Thermal Conductivity, W/m-K | 12 to 31 | |
| 0.8 |