High-alumina Refractory vs. Graphite
High-alumina refractory belongs to the oxide-based engineering ceramics classification, while graphite belongs to the non-oxide engineering ceramics. There are 5 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is high-alumina refractory and the bottom bar is graphite.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 | |
| 1.8 |
| Flexural Strength, MPa | 28 | |
| 80 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 220 |
| Thermal Conductivity, W/m-K | 1.5 | |
| 6.0 |
| Thermal Expansion, µm/m-K | 4.3 | |
| 4.9 |