PTFE vs. PBT
Both PTFE and PBT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is PTFE and the bottom bar is PBT.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 to 2.3 | |
| 1.3 to 1.5 |
| Elongation at Break, % | 75 to 300 | |
| 2.5 to 43 |
| Flexural Modulus, GPa | 0.4 to 1.3 | |
| 2.6 to 9.1 |
| Flexural Strength, MPa | 13 to 50 | |
| 79 to 210 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 66 to 70 | |
| 4.0 |
| Limiting Oxygen Index (LOI), % | 90 | |
| 20 |
| Melting Onset (Solidus), °C | 330 to 340 | |
| 230 |
| Strength to Weight: Axial, points | 1.7 to 3.2 | |
| 12 to 25 |
| Strength to Weight: Bending, points | 5.7 to 8.7 | |
| 25 to 38 |
| Tensile Strength: Ultimate (UTS), MPa | 13 to 25 | |
| 58 to 140 |