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ETFE vs. FKM Rubber

ETFE belongs to the thermoplastics classification, while FKM rubber belongs to the thermoset elastomers (rubber). There are 7 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.8
1.8
Elongation at Break, % 230
300
Limiting Oxygen Index (LOI), % 30
51
Maximum Temperature: Mechanical, °C 160
220
Strength to Weight: Axial, points 7.3
1.1
Strength to Weight: Bending, points 16
4.7
Tensile Strength: Ultimate (UTS), MPa 46
7.5