PPO vs. Cork

PPO belongs to the thermoplastics classification, while cork belongs to the wood-based materials. There are 8 material properties with values for both materials. Properties with values for just one material (18, 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 PPO and the bottom bar is cork.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.1 to 1.4
Density, g/cm³		0.15

Dielectric Strength (Breakdown Potential), kV/mm		19 to 21
Dielectric Strength (Breakdown Potential), kV/mm		1.5

Elongation at Break, %		3.5 to 28
Elongation at Break, %		15

Specific Heat Capacity, J/kg-K		1020 to 1250
Specific Heat Capacity, J/kg-K		2000

Strength to Weight: Axial, points		16 to 27
Strength to Weight: Axial, points		1.6

Strength to Weight: Bending, points		33 to 42
Strength to Weight: Bending, points		13

Tensile Strength: Ultimate (UTS), MPa		63 to 140
Tensile Strength: Ultimate (UTS), MPa		0.85

Thermal Expansion, µm/m-K		25 to 60
Thermal Expansion, µm/m-K		200

PPO vs. Cork

Material Properties

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