CAB vs. Cork

CAB belongs to the thermoplastics classification, while cork belongs to the wood-based materials. 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 CAB and the bottom bar is cork.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.2
Density, g/cm³		0.15

Dielectric Strength (Breakdown Potential), kV/mm		15
Dielectric Strength (Breakdown Potential), kV/mm		1.5

Elongation at Break, %		50 to 55
Elongation at Break, %		15

Specific Heat Capacity, J/kg-K		1460
Specific Heat Capacity, J/kg-K		2000

Strength to Weight: Axial, points		4.8 to 12
Strength to Weight: Axial, points		1.6

Strength to Weight: Bending, points		14 to 25
Strength to Weight: Bending, points		13

Tensile Strength: Ultimate (UTS), MPa		20 to 50
Tensile Strength: Ultimate (UTS), MPa		0.85

Thermal Conductivity, W/m-K		0.25
Thermal Conductivity, W/m-K		0.040

Thermal Diffusivity, mm²/s		0.14 to 0.15
Thermal Diffusivity, mm²/s		0.13

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		200

CAB vs. Cork

Material Properties

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