Baria-alkali-silica Glass vs. Lead-alkali-silica Glass
Both baria-alkali-silica glass and lead-alkali-silica glass are glass and glass-ceramics.
For each property being compared, the top bar is baria-alkali-silica glass and the bottom bar is lead-alkali-silica glass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 80 | |
| 67 |
| Flexural Strength, MPa | 34 | |
| 34 |
Thermal Properties
| Glass Transition Temperature, °C | 470 | |
| 450 |
| Thermal Expansion, µm/m-K | 9.5 | |
| 9.0 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 7.0 | |
| 7.0 |
| Electrical Dissipation At 1 Hz | 0.0034 | |
| 0.0024 |
| Electrical Dissipation At 1 MHz | 0.0022 | |
| 0.0018 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 12 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 3.1 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 12 |
| Stiffness to Weight: Bending, points | 48 | |
| 43 |