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UP vs. EVA

UP belongs to the thermoset plastics classification, while EVA belongs to the thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (8, 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 UP and the bottom bar is EVA.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
0.015 to 0.080
Elongation at Break, % 1.0
300 to 800
Tensile Strength: Ultimate (UTS), MPa 30
3.0 to 35

Thermal Properties

Specific Heat Capacity, J/kg-K 1200
1400
Thermal Conductivity, W/m-K 0.7
0.34

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 6.0
2.8

Otherwise Unclassified Properties

Density, g/cm3 2.0
0.93 to 1.0

Common Calculations

Stiffness to Weight: Axial, points 4.7
0.0087 to 0.048
Stiffness to Weight: Bending, points 43
8.6 to 15
Strength to Weight: Axial, points 4.2
0.87 to 10
Strength to Weight: Bending, points 11
4.8 to 26
Thermal Diffusivity, mm2/s 0.29
0.25 to 0.26