Zinc Sulfide vs. Engineering Porcelain
Zinc sulfide belongs to the non-glass optical ceramics classification, while engineering porcelain belongs to the oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.
For each property being compared, the top bar is zinc sulfide and the bottom bar is engineering porcelain.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 4.1 | |
| 2.3 to 3.0 |
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 67 to 150 |
| Poisson's Ratio | 0.28 | |
| 0.17 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 600 to 1000 |
| Stiffness to Weight: Axial, points | 10 | |
| 16 to 29 |
| Stiffness to Weight: Bending, points | 34 | |
| 49 to 65 |
| Thermal Conductivity, W/m-K | 27 | |
| 1.8 to 6.5 |
| Thermal Diffusivity, mm2/s | 13 | |
| 0.73 to 3.9 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 2.0 to 6.6 |