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PS vs. MDPE

Both PS and MDPE are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0
0.93
Elastic (Young's, Tensile) Modulus, GPa 1.9 to 2.9
0.6
Glass Transition Temperature, °C 100
-80
Specific Heat Capacity, J/kg-K 1250 to 1400
2350
Stiffness to Weight: Axial, points 1.0 to 1.5
0.36
Stiffness to Weight: Bending, points 40 to 45
30
Thermal Conductivity, W/m-K 0.14 to 0.22
0.4
Thermal Diffusivity, mm2/s 0.11 to 0.15
0.18