Mullite vs. Magnesium Titanate
Both mullite and magnesium titanate are oxide-based engineering ceramics. There are 10 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 mullite and the bottom bar is magnesium titanate.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 to 3.0 | |
| 3.5 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 8.0 | |
| 26 |
| Dielectric Strength (Breakdown Potential), kV/mm | 16 to 17 | |
| 9.1 |
| Electrical Dissipation At 1 MHz | 0.0025 | |
| 0.0013 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 10 to 11 | |
| 9.0 |
| Flexural Strength, MPa | 130 to 160 | |
| 80 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 950 |
| Thermal Conductivity, W/m-K | 3.5 to 11 | |
| 3.8 |
| Thermal Diffusivity, mm2/s | 1.4 to 3.7 | |
| 1.1 |
| Thermal Expansion, µm/m-K | 5.8 | |
| 8.0 |