Forsterite vs. Mullite
Both forsterite and mullite are oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is forsterite and the bottom bar is mullite.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 to 3.1 | |
| 2.7 to 3.0 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 6.2 | |
| 6.3 |
| Dielectric Strength (Breakdown Potential), kV/mm | 7.9 | |
| 16 to 17 |
| Electrical Dissipation At 1 MHz | 0.00030 | |
| 0.0025 |
| Flexural Strength, MPa | 40 to 160 | |
| 130 to 160 |
| Specific Heat Capacity, J/kg-K | 850 | |
| 950 |
| Thermal Conductivity, W/m-K | 1.7 to 3.5 | |
| 3.5 to 11 |
| Thermal Diffusivity, mm2/s | 0.94 to 1.3 | |
| 1.4 to 3.7 |
| Thermal Expansion, µm/m-K | 9.0 to 10 | |
| 5.8 |