Low Expansion Glass-ceramic vs. High-alumina Refractory
Low expansion glass-ceramic belongs to the glass and glass-ceramics classification, while high-alumina refractory belongs to the oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is low expansion glass-ceramic and the bottom bar is high-alumina refractory.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.4 | |
| 2.1 |
| Flexural Strength, MPa | 35 | |
| 28 |
| Maximum Temperature: Mechanical, °C | 690 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 800 | |
| 800 |
| Thermal Conductivity, W/m-K | 1.5 | |
| 1.5 |
| Thermal Diffusivity, mm2/s | 0.76 | |
| 0.87 |
| Thermal Expansion, µm/m-K | 1.7 | |
| 4.3 |