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PPS vs. ECTFE

Both PPS and ECTFE are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.

For each property being compared, the top bar is PPS and the bottom bar is ECTFE.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 2.5 to 11
230
Flexural Modulus, GPa 13 to 17
1.7
Flexural Strength, MPa 120 to 190
47
Rockwell R Hardness 120
93
Tensile Strength: Ultimate (UTS), MPa 75 to 190
49

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
91
Specific Heat Capacity, J/kg-K 910 to 1000
1170
Thermal Expansion, µm/m-K 20 to 45
100

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.7

Common Calculations

Strength to Weight: Axial, points 16 to 37
8.1
Strength to Weight: Bending, points 30 to 52
18