High-alumina Refractory vs. Engineering Porcelain
Both high-alumina refractory and engineering porcelain are oxide-based engineering ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is high-alumina refractory and the bottom bar is engineering porcelain.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 | |
| 2.3 to 3.0 |
| Flexural Strength, MPa | 28 | |
| 43 to 160 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 1170 |
| Maximum Thermal Shock, °C | 210 | |
| 170 to 290 |
| Specific Heat Capacity, J/kg-K | 800 | |
| 600 to 1000 |
| Thermal Conductivity, W/m-K | 1.5 | |
| 1.8 to 6.5 |
| Thermal Diffusivity, mm2/s | 0.87 | |
| 0.73 to 3.9 |
| Thermal Expansion, µm/m-K | 4.3 | |
| 2.0 to 6.6 |