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PTFE vs. PSU

Both PTFE and PSU are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is PTFE and the bottom bar is PSU.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 6.9 to 24
95 to 180
Density, g/cm3 2.1 to 2.3
1.2 to 1.6
Elongation at Break, % 75 to 300
2.0 to 52
Flexural Modulus, GPa 0.4 to 1.3
2.7 to 14
Flexural Strength, MPa 13 to 50
110 to 200
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 66 to 70
180 to 200
Strength to Weight: Axial, points 1.7 to 3.2
16 to 25
Strength to Weight: Bending, points 5.7 to 8.7
30 to 40
Tensile Strength: Ultimate (UTS), MPa 13 to 25
70 to 140
Thermal Expansion, µm/m-K 110 to 120
25 to 57