ETFE (Ethylene-Tetrafluoroethylene Tefzel) vs HDPE (High Density Polyethylene)
Property comparison of ETFE (Ethylene-Tetrafluoroethylene Tefzel) and HDPE (High Density Polyethylene), both polymer.
| Property | ETFE (Ethylene-Tetrafluoroethylene Tefzel) | HDPE (High Density Polyethylene) | Difference |
|---|---|---|---|
| Tensile strength | 41 MPa | 28 MPa | -32% |
| Elongation | 300 % | 800 % | +167% |
| Poisson ratio | 0.4 | 0.42 | +5% |
| Density | 1,700 kg/m³ | 960 kg/m³ | -44% |
| Thermal conductivity | 0.24 W/m·K | 0.48 W/m·K | +100% |
| Specific heat | 1,020 J/kg·K | 1,900 J/kg·K | +86% |
| Coefficient of thermal expansion | 0.00009 1/K | 0.00012 1/K | +33% |
Difference is HDPE (High Density Polyethylene) relative to ETFE (Ethylene-Tetrafluoroethylene Tefzel). 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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