PVF vs. FEP
Both PVF and FEP are thermoplastics. There are 15 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 PVF and the bottom bar is FEP.
Metric UnitsUS Customary Units
Mechanical Properties
| Flexural Strength, MPa | 90 | |
| 24 |
| Tensile Strength: Ultimate (UTS), MPa | 65 | |
| 20 |
Thermal Properties
| Glass Transition Temperature, °C | -20 | |
| 60 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 90 | |
| 50 |
| Maximum Temperature: Autoignition, °C | 480 | |
| 630 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 200 |
| Melting Onset (Solidus), °C | 230 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 1300 | |
| 1170 |
| Thermal Conductivity, W/m-K | 0.13 | |
| 0.22 |
| Thermal Expansion, µm/m-K | 100 | |
| 95 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 | |
| 2.1 |
| Limiting Oxygen Index (LOI), % | 23 | |
| 80 |
Common Calculations
| Strength to Weight: Axial, points | 13 | |
| 2.6 |
| Strength to Weight: Bending, points | 26 | |
| 7.6 |
| Thermal Diffusivity, mm2/s | 0.071 | |
| 0.088 |