Grade A Lava vs. High-alumina Refractory
Both grade A lava and high-alumina refractory are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade A lava and the bottom bar is high-alumina refractory.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.3 to 2.5 | |
| 2.1 |
| Flexural Strength, MPa | 28 to 69 | |
| 28 |
| Maximum Temperature: Mechanical, °C | 650 to 1130 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 840 | |
| 800 |
| Thermal Conductivity, W/m-K | 2.0 | |
| 1.5 |
| Thermal Diffusivity, mm2/s | 1.0 | |
| 0.87 |
| Thermal Expansion, µm/m-K | 2.5 to 3.3 | |
| 4.3 |