PEI (Ultem 1000) Unfilled vs PFA (Perfluoroalkoxy Polymer)
Property comparison of PEI (Ultem 1000) Unfilled and PFA (Perfluoroalkoxy Polymer), both polymer.
| Property | PEI (Ultem 1000) Unfilled | PFA (Perfluoroalkoxy Polymer) | Difference |
|---|---|---|---|
| Tensile strength | 105 MPa | 27 MPa | -74% |
| Elongation | 60 % | 300 % | +400% |
| Poisson ratio | 0.37 | 0.48 | +30% |
| Density | 1,270 kg/m³ | 2,150 kg/m³ | +69% |
| Thermal conductivity | 0.22 W/m·K | 0.25 W/m·K | +14% |
| Specific heat | 1,250 J/kg·K | 1,050 J/kg·K | -16% |
| Coefficient of thermal expansion | 0.000056 1/K | 0.000135 1/K | +141% |
Difference is PFA (Perfluoroalkoxy Polymer) relative to PEI (Ultem 1000) 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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