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PVC-P vs. Zinc Sulfide

PVC-P and zinc sulfide belong to fundamentally different material chemistries. PVC-P is a polymeric material, while zinc sulfide is ceramic. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is PVC-P and the bottom bar is zinc sulfide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4
4.1
Elastic (Young's, Tensile) Modulus, GPa 1.4
75
Melting Onset (Solidus), °C 190
1830
Poisson's Ratio 0.39
0.28
Specific Heat Capacity, J/kg-K 1400
520
Stiffness to Weight: Axial, points 0.57
10
Stiffness to Weight: Bending, points 28
34
Thermal Conductivity, W/m-K 0.17
27
Thermal Diffusivity, mm2/s 0.090
13
Thermal Expansion, µm/m-K 160
6.5