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UPVC vs. EVA

Both uPVC and EVA are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.7
0.015 to 0.080
Elongation at Break, % 58
300 to 800
Tensile Strength: Ultimate (UTS), MPa 47
3.0 to 35

Thermal Properties

Maximum Temperature: Decomposition, °C 270
450
Melting Onset (Solidus), °C 180
55 to 95
Specific Heat Capacity, J/kg-K 880
1400
Thermal Conductivity, W/m-K 0.16
0.34
Vicat Softening Temperature, °C 83
45 to 80

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.4
2.8
Dielectric Strength (Breakdown Potential), kV/mm 19
21

Otherwise Unclassified Properties

Density, g/cm3 1.4
0.93 to 1.0

Common Calculations

Stiffness to Weight: Axial, points 1.5
0.0087 to 0.048
Stiffness to Weight: Bending, points 37
8.6 to 15
Strength to Weight: Axial, points 9.1
0.87 to 10
Strength to Weight: Bending, points 20
4.8 to 26
Thermal Diffusivity, mm2/s 0.13
0.25 to 0.26