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Thermoplastic PI vs. FFKM

Thermoplastic PI belongs to the thermoplastics classification, while FFKM belongs to the thermoset elastomers (rubber). There are 5 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is thermoplastic PI and the bottom bar is FFKM.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.5
2.0
Elongation at Break, % 1.8 to 7.5
170
Strength to Weight: Axial, points 22 to 42
2.3
Strength to Weight: Bending, points 36 to 57
7.2
Tensile Strength: Ultimate (UTS), MPa 110 to 220
16