PFA vs. PPSU
Both PFA and PPSU are thermoplastics. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is PFA and the bottom bar is PPSU.
Metric UnitsUS Customary Units
Mechanical Properties
Elongation at Break, % | 300 | |
26 |
Flexural Modulus, GPa | 0.7 | |
4.7 |
Tensile Strength: Ultimate (UTS), MPa | 30 | |
95 |
Thermal Properties
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 50 | |
210 |
Heat Deflection Temperature At 455 kPa (66 psi), °C | 75 | |
220 |
Maximum Temperature: Mechanical, °C | 260 | |
160 |
Specific Heat Capacity, J/kg-K | 1000 | |
970 |
Thermal Conductivity, W/m-K | 0.25 | |
0.24 |
Thermal Expansion, µm/m-K | 120 | |
45 |
Electrical Properties
Dielectric Constant (Relative Permittivity) At 1 Hz | 2.1 | |
3.8 |
Dielectric Constant (Relative Permittivity) At 1 MHz | 2.6 | |
3.4 |
Dielectric Strength (Breakdown Potential), kV/mm | 22 | |
16 |
Electrical Resistivity Order of Magnitude, 10x Ω-m | 16 | |
14 |
Otherwise Unclassified Properties
Density, g/cm3 | 2.2 | |
1.4 |
Limiting Oxygen Index (LOI), % | 80 | |
38 |
Water Absorption After 24 Hours, % | 0 | |
0.44 |
Common Calculations
Strength to Weight: Axial, points | 3.9 | |
19 |
Strength to Weight: Bending, points | 10 | |
33 |
Thermal Diffusivity, mm2/s | 0.12 | |
0.17 |