High-silica Glass vs. Grade A Lava
High-silica glass belongs to the glass and glass-ceramics classification, while grade A lava belongs to the oxide-based engineering ceramics. There are 4 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-silica glass and the bottom bar is grade A lava.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.4 | |
| 2.3 to 2.5 |
| Dielectric Strength (Breakdown Potential), kV/mm | 34 | |
| 3.2 to 3.9 |
| Flexural Strength, MPa | 34 | |
| 28 to 69 |
| Thermal Expansion, µm/m-K | 0.6 to 0.75 | |
| 2.5 to 3.3 |