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Ionomer vs. PFA

Both ionomer and PFA are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (16, 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 ionomer and the bottom bar is PFA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.94
2.2
Dielectric Constant (Relative Permittivity) At 1 Hz 2.4
2.1
Dielectric Strength (Breakdown Potential), kV/mm 39
22
Elongation at Break, % 350
300
Maximum Temperature: Mechanical, °C 75
260
Melting Onset (Solidus), °C 94
300
Strength to Weight: Axial, points 11
3.9
Strength to Weight: Bending, points 26
10
Tensile Strength: Ultimate (UTS), MPa 37
30