MakeItFrom.com
Menu (ESC)

EVA vs. ETFE

Both EVA and ETFE are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EVA and the bottom bar is ETFE.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.015 to 0.080
1.5
Elongation at Break, % 300 to 800
230
Tensile Strength: Ultimate (UTS), MPa 3.0 to 35
46

Thermal Properties

Maximum Temperature: Decomposition, °C 450
400
Melting Onset (Solidus), °C 55 to 95
260
Specific Heat Capacity, J/kg-K 1400
1000
Thermal Conductivity, W/m-K 0.34
0.24

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.8
2.1
Dielectric Strength (Breakdown Potential), kV/mm 21
16

Otherwise Unclassified Properties

Density, g/cm3 0.93 to 1.0
1.8

Common Calculations

Stiffness to Weight: Axial, points 0.0087 to 0.048
0.48
Stiffness to Weight: Bending, points 8.6 to 15
22
Strength to Weight: Axial, points 0.87 to 10
7.3
Strength to Weight: Bending, points 4.8 to 26
16
Thermal Diffusivity, mm2/s 0.25 to 0.26
0.14