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MDPE vs. PFA

Both MDPE and PFA are thermoplastics. There are 6 material properties with values for both materials. Properties with values for just one material (20, 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 PFA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.93
2.2
Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.1
Melting Onset (Solidus), °C 120
300
Specific Heat Capacity, J/kg-K 2350
1000
Thermal Conductivity, W/m-K 0.4
0.25
Thermal Diffusivity, mm2/s 0.18
0.12