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MDPE vs. UHMW-PE

Both MDPE and UHMW-PE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is MDPE and the bottom bar is UHMW-PE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.93
0.94
Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.2
Elastic (Young's, Tensile) Modulus, GPa 0.6
0.8
Melting Onset (Solidus), °C 120
130
Specific Heat Capacity, J/kg-K 2350
1750
Stiffness to Weight: Axial, points 0.36
0.47
Stiffness to Weight: Bending, points 30
33
Thermal Conductivity, W/m-K 0.4
0.41
Thermal Diffusivity, mm2/s 0.18
0.25