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Cork vs. Z20301 Zinc

Cork and Z20301 zinc belong to fundamentally different material chemistries. Cork is a polymeric material, while Z20301 zinc is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (16, 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 cork and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.020
87
Elongation at Break, % 15
53
Shear Modulus, GPa 0.010
35
Tensile Strength: Ultimate (UTS), MPa 0.85
160

Thermal Properties

Specific Heat Capacity, J/kg-K 2000
390
Thermal Conductivity, W/m-K 0.040
110
Thermal Expansion, µm/m-K 200
26

Otherwise Unclassified Properties

Density, g/cm3 0.15
6.6

Common Calculations

Stiffness to Weight: Axial, points 0.074
7.4
Stiffness to Weight: Bending, points 60
23
Strength to Weight: Axial, points 1.6
6.7
Strength to Weight: Bending, points 13
9.9
Thermal Diffusivity, mm2/s 0.13
44
Thermal Shock Resistance, points 16
5.0