Grade A Lava vs. Lead-alkali-silica Glass
Grade A lava belongs to the oxide-based engineering ceramics classification, while lead-alkali-silica glass belongs to the glass and glass-ceramics. There are 3 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.
For each property being compared, the top bar is grade A lava and the bottom bar is lead-alkali-silica glass.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.3 to 2.5 | |
| 3.1 |
| Flexural Strength, MPa | 28 to 69 | |
| 34 |
| Thermal Expansion, µm/m-K | 2.5 to 3.3 | |
| 9.0 |