PEI (Ultem 1000) Unfilled vs PETG (Polyethylene Terephthalate Glycol)
Property comparison of PEI (Ultem 1000) Unfilled and PETG (Polyethylene Terephthalate Glycol), both polymer.
| Property | PEI (Ultem 1000) Unfilled | PETG (Polyethylene Terephthalate Glycol) | Difference |
|---|---|---|---|
| Tensile strength | 105 MPa | 50 MPa | -52% |
| Elongation | 60 % | 140 % | +133% |
| Poisson ratio | 0.37 | 0.38 | +3% |
| Density | 1,270 kg/m³ | 1,270 kg/m³ | 0% |
| Thermal conductivity | 0.22 W/m·K | 0.2 W/m·K | -9% |
| Specific heat | 1,250 J/kg·K | 1,200 J/kg·K | -4% |
| Coefficient of thermal expansion | 0.000056 1/K | 0.000065 1/K | +16% |
Difference is PETG (Polyethylene Terephthalate Glycol) 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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