Lead-alkali-silica Glass vs. C-820 Magnesia Ceramic
Lead-alkali-silica glass belongs to the glass and glass-ceramics classification, while C-820 magnesia ceramic belongs to the oxide-based engineering ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is lead-alkali-silica glass and the bottom bar is C-820 magnesia ceramic.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.1 | |
| 2.7 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 7.0 | |
| 10 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 100 |
| Electrical Dissipation At 1 MHz | 0.0018 | |
| 0.00030 |
| Flexural Strength, MPa | 34 | |
| 53 |
| Stiffness to Weight: Axial, points | 12 | |
| 21 |
| Stiffness to Weight: Bending, points | 43 | |
| 58 |
| Thermal Expansion, µm/m-K | 9.0 | |
| 11 |