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PMQ Rubber vs. PFA

PMQ rubber belongs to the thermoset elastomers (rubber) classification, while PFA belongs to the thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is PMQ rubber and the bottom bar is PFA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
2.2
Elongation at Break, % 480
300
Limiting Oxygen Index (LOI), % 32
80
Maximum Temperature: Mechanical, °C 220
260
Specific Heat Capacity, J/kg-K 1590
1000
Strength to Weight: Axial, points 1.9
3.9
Strength to Weight: Bending, points 7.4
10
Tensile Strength: Ultimate (UTS), MPa 8.0
30
Thermal Conductivity, W/m-K 0.23
0.25
Thermal Diffusivity, mm2/s 0.12
0.12