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PAR vs. FFKM

PAR 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 (23, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
2.0
Elongation at Break, % 50
170
Strength to Weight: Axial, points 16
2.3
Strength to Weight: Bending, points 31
7.2
Tensile Strength: Ultimate (UTS), MPa 67
16