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EVA vs. PTFE

Both EVA and PTFE are thermoplastics. There are 7 material properties with values for both materials. Properties with values for just one material (20, 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 EVA and the bottom bar is PTFE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.93 to 1.0
2.1 to 2.3
Elongation at Break, % 300 to 800
75 to 300
Melting Onset (Solidus), °C 55 to 95
330 to 340
Strength to Weight: Axial, points 0.87 to 10
1.7 to 3.2
Strength to Weight: Bending, points 4.8 to 26
5.7 to 8.7
Tensile Strength: Ultimate (UTS), MPa 3.0 to 35
13 to 25
Thermal Conductivity, W/m-K 0.34
0.24 to 0.65