C-820 Magnesia Ceramic vs. Lead-alkali-silica Glass
C-820 magnesia ceramic belongs to the oxide-based engineering ceramics classification, while lead-alkali-silica glass belongs to the glass and glass-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 C-820 magnesia ceramic and the bottom bar is lead-alkali-silica glass.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 | |
| 3.1 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 10 | |
| 7.0 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 67 |
| Electrical Dissipation At 1 MHz | 0.00030 | |
| 0.0018 |
| Flexural Strength, MPa | 53 | |
| 34 |
| Stiffness to Weight: Axial, points | 21 | |
| 12 |
| Stiffness to Weight: Bending, points | 58 | |
| 43 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.0 |