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PTT vs. FKM Rubber

PTT belongs to the thermoplastics classification, while FKM rubber belongs to the thermoset elastomers (rubber). There are 5 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is PTT and the bottom bar is FKM rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.8
Elongation at Break, % 60
300
Strength to Weight: Axial, points 13
1.1
Strength to Weight: Bending, points 26
4.7
Tensile Strength: Ultimate (UTS), MPa 60
7.5