FEP vs. PTMT
Both FEP and PTMT are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.
For each property being compared, the top bar is FEP and the bottom bar is PTMT.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 | |
| 1.3 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 1.9 | |
| 3.2 |
| Dielectric Strength (Breakdown Potential), kV/mm | 22 | |
| 17 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 50 | |
| 50 |
| Heat Deflection Temperature At 455 kPa (66 psi), °C | 70 | |
| 150 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Strength to Weight: Axial, points | 2.6 | |
| 12 |
| Strength to Weight: Bending, points | 7.6 | |
| 25 |
| Tensile Strength: Ultimate (UTS), MPa | 20 | |
| 56 |