PTFE vs. DAP
PTFE belongs to the thermoplastics classification, while DAP belongs to the thermoset plastics. There are 11 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is PTFE and the bottom bar is DAP.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 6.9 to 24 | |
| 150 |
| Elongation at Break, % | 75 to 300 | |
| 31 |
| Flexural Strength, MPa | 13 to 50 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 13 to 25 | |
| 28 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 66 to 70 | |
| 160 |
| Thermal Conductivity, W/m-K | 0.24 to 0.65 | |
| 0.6 |
| Thermal Expansion, µm/m-K | 110 to 120 | |
| 25 |
Electrical Properties
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 2.0 to 18 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.1 to 2.3 | |
| 1.7 |
Common Calculations
| Strength to Weight: Axial, points | 1.7 to 3.2 | |
| 4.5 |
| Strength to Weight: Bending, points | 5.7 to 8.7 | |
| 12 |