Steatite vs. Wollastonite
Both steatite and wollastonite are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is steatite and the bottom bar is wollastonite.
Metric UnitsUS Customary Units
Material Properties
| Compressive (Crushing) Strength, MPa | 540 to 620 | |
| 260 |
| Density, g/cm3 | 1.9 to 2.8 | |
| 2.8 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 5.7 to 6.5 | |
| 3.5 |
| Dielectric Strength (Breakdown Potential), kV/mm | 7.9 to 16 | |
| 6.0 |
| Flexural Strength, MPa | 32 to 150 | |
| 100 |
| Maximum Temperature: Mechanical, °C | 750 to 1230 | |
| 1200 |
| Thermal Conductivity, W/m-K | 1.8 to 2.5 | |
| 0.8 |