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PES vs. MDPE

Both PES and MDPE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (24, in this case) are not shown.

For each property being compared, the top bar is PES and the bottom bar is MDPE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4
0.93
Dielectric Constant (Relative Permittivity) At 1 Hz 3.5
2.3
Elastic (Young's, Tensile) Modulus, GPa 2.6
0.6
Glass Transition Temperature, °C 220
-80
Specific Heat Capacity, J/kg-K 1100
2350
Stiffness to Weight: Axial, points 1.1
0.36
Stiffness to Weight: Bending, points 33
30
Thermal Conductivity, W/m-K 0.18
0.4
Thermal Diffusivity, mm2/s 0.12
0.18