PTFE (Teflon) Unfilled vs PVDF (Polyvinylidene Fluoride)
Property comparison of PTFE (Teflon) Unfilled and PVDF (Polyvinylidene Fluoride), both polymer.
| Property | PTFE (Teflon) Unfilled | PVDF (Polyvinylidene Fluoride) | Difference |
|---|---|---|---|
| Tensile strength | 25 MPa | 50 MPa | +100% |
| Elongation | 350 % | 50 % | -86% |
| Elastic modulus | 550 MPa | 2,000 MPa | +264% |
| Poisson ratio | 0.46 | 0.35 | -24% |
| Density | 2,200 kg/m³ | 1,780 kg/m³ | -19% |
| Thermal conductivity | 0.25 W/m·K | 0.17 W/m·K | -32% |
| Specific heat | 1,050 J/kg·K | 1,200 J/kg·K | +14% |
| Coefficient of thermal expansion | 0.000135 1/K | 0.00012 1/K | -11% |
Difference is PVDF (Polyvinylidene Fluoride) relative to PTFE (Teflon) Unfilled. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM
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