PEEK 30% Glass Filled vs PEI (Ultem 1000) Unfilled
Property comparison of PEEK 30% Glass Filled and PEI (Ultem 1000) Unfilled, both polymer.
| Property | PEEK 30% Glass Filled | PEI (Ultem 1000) Unfilled | Difference |
|---|---|---|---|
| Tensile strength | 170 MPa | 105 MPa | -38% |
| Elongation | 2 % | 60 % | +2900% |
| Elastic modulus | 10,000 MPa | 3,300 MPa | -67% |
| Poisson ratio | 0.4 | 0.37 | -8% |
| Density | 1,490 kg/m³ | 1,270 kg/m³ | -15% |
| Thermal conductivity | 0.36 W/m·K | 0.22 W/m·K | -39% |
| Specific heat | 1,250 J/kg·K | 1,250 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000025 1/K | 0.000056 1/K | +124% |
Difference is PEI (Ultem 1000) Unfilled relative to PEEK 30% Glass Filled. 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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