PFA vs. PET
Both PFA and PET are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is PFA and the bottom bar is PET.
Metric UnitsUS Customary Units
Mechanical Properties
| Elongation at Break, % | 300 | |
| 2.5 to 70 |
| Flexural Modulus, GPa | 0.7 | |
| 8.3 to 14 |
| Tensile Strength: Ultimate (UTS), MPa | 30 | |
| 60 to 140 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 260 | |
| 80 |
| Melting Onset (Solidus), °C | 300 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 1000 to 1150 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 2.1 | |
| 3.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.2 | |
| 1.4 to 1.6 |
| Limiting Oxygen Index (LOI), % | 80 | |
| 21 |
Common Calculations
| Strength to Weight: Axial, points | 3.9 | |
| 12 to 27 |
| Strength to Weight: Bending, points | 10 | |
| 25 to 41 |