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FKM Rubber vs. Phenolic

FKM rubber belongs to the thermoset elastomers (rubber) classification, while phenolic belongs to the thermoset plastics. There are 8 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.8
1.3
Elongation at Break, % 300
2.0
Glass Transition Temperature, °C -20
170
Limiting Oxygen Index (LOI), % 51
27
Maximum Temperature: Mechanical, °C 220
150
Strength to Weight: Axial, points 1.1
10
Strength to Weight: Bending, points 4.7
23
Tensile Strength: Ultimate (UTS), MPa 7.5
48