Lead-alkali-silica Glass vs. Zinc Sulfide
Lead-alkali-silica glass belongs to the glass and glass-ceramics classification, while zinc sulfide belongs to the non-glass optical ceramics. There are 5 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is lead-alkali-silica glass and the bottom bar is zinc sulfide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.1 | |
| 4.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 75 |
| Stiffness to Weight: Axial, points | 12 | |
| 10 |
| Stiffness to Weight: Bending, points | 43 | |
| 34 |
| Thermal Expansion, µm/m-K | 9.0 | |
| 6.5 |