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MDPE vs. UP

MDPE belongs to the thermoplastics classification, while UP belongs to the thermoset plastics. There are 9 material properties with values for both materials. Properties with values for just one material (9, 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 MDPE and the bottom bar is UP.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.93
2.0
Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
6.0
Elastic (Young's, Tensile) Modulus, GPa 0.6
17
Glass Transition Temperature, °C -80
60
Specific Heat Capacity, J/kg-K 2350
1200
Stiffness to Weight: Axial, points 0.36
4.7
Stiffness to Weight: Bending, points 30
43
Thermal Conductivity, W/m-K 0.4
0.7
Thermal Diffusivity, mm2/s 0.18
0.29