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PTMT vs. FEP

Both PTMT and FEP are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

For each property being compared, the top bar is PTMT and the bottom bar is FEP.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
2.1
Dielectric Constant (Relative Permittivity) At 1 Hz 3.2
1.9
Dielectric Strength (Breakdown Potential), kV/mm 17
22
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 50
50
Heat Deflection Temperature At 455 kPa (66 psi), °C 150
70
Maximum Temperature: Mechanical, °C 130
200
Strength to Weight: Axial, points 12
2.6
Strength to Weight: Bending, points 25
7.6
Tensile Strength: Ultimate (UTS), MPa 56
20