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ECTFE vs. Cork

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.6
0.020
Elongation at Break, % 230
15
Tensile Strength: Ultimate (UTS), MPa 49
0.85

Thermal Properties

Specific Heat Capacity, J/kg-K 1170
2000
Thermal Conductivity, W/m-K 0.15
0.040
Thermal Expansion, µm/m-K 100
200

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 18
1.5

Otherwise Unclassified Properties

Density, g/cm3 1.7
0.15

Common Calculations

Stiffness to Weight: Axial, points 0.52
0.074
Stiffness to Weight: Bending, points 23
60
Strength to Weight: Axial, points 8.1
1.6
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 0.078
0.13
Thermal Shock Resistance, points 22
16