PET (Polyethylene Terephthalate) vs PFA (Perfluoroalkoxy Polymer)
Property comparison of PET (Polyethylene Terephthalate) and PFA (Perfluoroalkoxy Polymer), both polymer.
| Property | PET (Polyethylene Terephthalate) | PFA (Perfluoroalkoxy Polymer) | Difference |
|---|---|---|---|
| Tensile strength | 55 MPa | 27 MPa | -51% |
| Elongation | 30 % | 300 % | +900% |
| Poisson ratio | 0.38 | 0.48 | +26% |
| Density | 1,370 kg/m³ | 2,150 kg/m³ | +57% |
| Thermal conductivity | 0.24 W/m·K | 0.25 W/m·K | +4% |
| Specific heat | 1,170 J/kg·K | 1,050 J/kg·K | -10% |
| Coefficient of thermal expansion | 0.00006 1/K | 0.000135 1/K | +125% |
Difference is PFA (Perfluoroalkoxy Polymer) relative to PET (Polyethylene Terephthalate). 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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