Engineering Porcelain vs. Zinc Sulfide
Engineering porcelain belongs to the oxide-based engineering ceramics classification, while zinc sulfide belongs to the non-glass optical 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 engineering porcelain and the bottom bar is zinc sulfide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.3 to 3.0 | |
| 4.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 to 150 | |
| 75 |
| Poisson's Ratio | 0.17 | |
| 0.28 |
| Specific Heat Capacity, J/kg-K | 600 to 1000 | |
| 520 |
| Stiffness to Weight: Axial, points | 16 to 29 | |
| 10 |
| Stiffness to Weight: Bending, points | 49 to 65 | |
| 34 |
| Thermal Conductivity, W/m-K | 1.8 to 6.5 | |
| 27 |
| Thermal Diffusivity, mm2/s | 0.73 to 3.9 | |
| 13 |
| Thermal Expansion, µm/m-K | 2.0 to 6.6 | |
| 6.5 |