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Cork vs. PET

Cork belongs to the wood-based materials classification, while PET belongs to the thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (17, 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 PET.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.15
1.4 to 1.6
Elastic (Young's, Tensile) Modulus, GPa 0.020
3.5 to 11
Elongation at Break, % 15
2.5 to 70
Specific Heat Capacity, J/kg-K 2000
1000 to 1150
Stiffness to Weight: Axial, points 0.074
1.2 to 4.4
Stiffness to Weight: Bending, points 60
32 to 54
Strength to Weight: Axial, points 1.6
12 to 27
Strength to Weight: Bending, points 13
25 to 41
Tensile Strength: Ultimate (UTS), MPa 0.85
60 to 140