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PS vs. FKM Rubber

PS belongs to the thermoplastics classification, while FKM rubber belongs to the thermoset elastomers (rubber). There are 8 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0
1.8
Elongation at Break, % 1.8 to 40
300
Glass Transition Temperature, °C 100
-20
Limiting Oxygen Index (LOI), % 18
51
Maximum Temperature: Mechanical, °C 70
220
Strength to Weight: Axial, points 8.5 to 12
1.1
Strength to Weight: Bending, points 22 to 26
4.7
Tensile Strength: Ultimate (UTS), MPa 32 to 44
7.5