Related Performance of ETFE
- ETFE exhibits excellent toughness and wear resistance in a wide temperature range, and it combines high tensile strength, high impact strength, bending resistance and creep resistance, and combines the mechanical properties of hydrocarbon engineering polymers. Performance is combined with the chemical resistance and heat resistance of perfluoropolymers.
- ETFE has good friction and wear properties, which can be improved by adding fillers (such as glass fiber or bronze powder). Fillers can also improve creep resistance and increase softening temperature.
- Generally, the continuous upper limit of ETFE operating temperature is 150°C (302°F). When the polymer is crosslinked by peroxide or ionizing radiation, the physical strength can be maintained at a higher temperature. Highly crosslinked resins can withstand temperatures up to 240°C (464°F) in a short period of time.
- ETFE exhibits excellent dielectric properties, and its dielectric constant is very low, basically independent of frequency. The dissipation factor is low, but it will increase with increasing frequency, and it can also be increased by cross-linking. The dielectric strength and resistivity are high and are not affected by water, but irradiation and cross-linking will increase the dielectric loss.
- The use of ETFE in construction can reduce the amounts of raw materials, reduce construction time, and reduce construction costs. Compared with glass roofs, ETFE cushions also have high light transmittance, lighter weight and higher thermal insulation. For example, ETFE underlayment is used in rooftop photovoltaic/thermal integrated systems.
Figure 1. Cross-sectional diagram of the CIPV/T 
- ETFE is used for heat-resistant insulating materials in electrical applications and sheaths for low-voltage power lines in mass transportation systems, wiring in chemical plants, and control and instrument wiring in public utilities.
- Because ETFE has excellent cutting resistance and abrasion resistance, it is used for fuselage wires and computer cables. Electrical and electronic components, such as sockets, connectors, and switching components, are manufactured by injection molding.
- ETFE has excellent mechanical properties. Therefore, it is successfully used to seal glands, pipe plugs, bellows, fasteners and pump blades. Its radiation resistance is one reason for its use in nuclear industry wiring.
- In aerospace wiring, the lower density of ETFE provides an advantage over perfluoropolymers.
- Carbon-filled ETFE resin (approximately 20% carbon) is antistatic and can be used for self-limiting heating cables and other antistatic or semiconductor applications.
- Jianhui Hu, Wujun Chen, Deqing Yang, Bing Zhao, Hao Song, Binbin Ge, Applied Energy 173 (2016) 40–51.
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