Steatite vs. Zircon
Both steatite and zircon are oxide-based engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is steatite and the bottom bar is zircon.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.9 to 2.8 | |
| 3.9 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 5.7 to 6.5 | |
| 8.8 |
| Dielectric Strength (Breakdown Potential), kV/mm | 7.9 to 16 | |
| 7.9 |
| Flexural Strength, MPa | 32 to 150 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 750 to 1230 | |
| 1650 |
| Strength to Weight: Axial, points | 6.4 to 32 | |
| 21 |
| Strength to Weight: Bending, points | 13 to 42 | |
| 25 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 220 | |
| 290 |
| Thermal Conductivity, W/m-K | 1.8 to 2.5 | |
| 3.5 |
| Thermal Expansion, µm/m-K | 7.0 to 9.0 | |
| 5.0 |