PEEK vs. PVF
Both PEEK and PVF are thermoplastics. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is PEEK and the bottom bar is PVF.
Metric UnitsUS Customary Units
Mechanical Properties
| Flexural Strength, MPa | 150 to 330 | |
| 90 |
| Impact Strength: Notched Izod, J/m | 78 to 120 | |
| 100 |
| Rockwell R Hardness | 120 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 97 to 200 | |
| 65 |
Thermal Properties
| Glass Transition Temperature, °C | 240 | |
| -20 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 160 to 300 | |
| 90 |
| Maximum Temperature: Autoignition, °C | 600 | |
| 480 |
| Maximum Temperature: Decomposition, °C | 570 | |
| 360 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 110 |
| Melting Onset (Solidus), °C | 340 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 1390 to 1700 | |
| 1300 |
| Thermal Conductivity, W/m-K | 0.25 to 0.93 | |
| 0.13 |
| Thermal Expansion, µm/m-K | 15 to 52 | |
| 100 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.4 |
| Limiting Oxygen Index (LOI), % | 38 | |
| 23 |
Common Calculations
| Strength to Weight: Axial, points | 20 to 41 | |
| 13 |
| Strength to Weight: Bending, points | 36 to 55 | |
| 26 |
| Thermal Diffusivity, mm2/s | 0.1 to 0.51 | |
| 0.071 |