RTPU vs. PFA
Both RTPU and PFA are thermoplastics. There are 12 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 RTPU and the bottom bar is PFA.
Metric UnitsUS Customary Units
Mechanical Properties
| Elongation at Break, % | 5.0 | |
| 300 |
| Tensile Strength: Ultimate (UTS), MPa | 75 | |
| 30 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1760 | |
| 1000 |
| Thermal Conductivity, W/m-K | 0.6 | |
| 0.25 |
| Thermal Expansion, µm/m-K | 100 | |
| 120 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.6 | |
| 2.1 |
| Dielectric Strength (Breakdown Potential), kV/mm | 24 | |
| 22 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 14 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 2.2 |
Common Calculations
| Strength to Weight: Axial, points | 20 | |
| 3.9 |
| Strength to Weight: Bending, points | 38 | |
| 10 |
| Thermal Diffusivity, mm2/s | 0.32 | |
| 0.12 |