Steatite vs. C-820 Magnesia Ceramic
Both steatite and C-820 magnesia ceramic are oxide-based engineering ceramics. There are 12 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is steatite and the bottom bar is C-820 magnesia ceramic.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 to 120 | |
| 100 |
| Flexural Strength, MPa | 32 to 150 | |
| 53 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 850 to 860 | |
| 950 |
| Thermal Conductivity, W/m-K | 1.8 to 2.5 | |
| 8.0 |
| Thermal Expansion, µm/m-K | 7.0 to 9.0 | |
| 11 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 6.0 | |
| 10 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 5.7 to 6.5 | |
| 9.6 |
| Electrical Dissipation At 1 MHz | 0.0010 to 0.0060 | |
| 0.00030 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.9 to 2.8 | |
| 2.7 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 to 32 | |
| 21 |
| Stiffness to Weight: Bending, points | 52 to 83 | |
| 58 |
| Thermal Diffusivity, mm2/s | 0.79 to 1.1 | |
| 3.1 |