Steatite vs. High-alumina Refractory
Both steatite and high-alumina refractory are oxide-based engineering ceramics. There are 8 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 steatite and the bottom bar is high-alumina refractory.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.9 to 2.8 | |
| 2.1 |
| Flexural Strength, MPa | 32 to 150 | |
| 28 |
| Maximum Temperature: Mechanical, °C | 750 to 1230 | |
| 1200 |
| Maximum Thermal Shock, °C | 90 to 160 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 850 to 860 | |
| 800 |
| Thermal Conductivity, W/m-K | 1.8 to 2.5 | |
| 1.5 |
| Thermal Diffusivity, mm2/s | 0.79 to 1.1 | |
| 0.87 |
| Thermal Expansion, µm/m-K | 7.0 to 9.0 | |
| 4.3 |