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ETFE
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<p>Ethylene tetrafluoroethylene (ETFE) is a <a href="/facts/Fluorine/YUV0Fb8m">fluorine</a>-based <a href="/facts/Plastic/Kla5QItn">plastic</a>. It was designed to have high corrosion resistance and strength over a wide temperature range. ETFE is a <a href="/facts/Polymer/eF32E50K">polymer</a> and its <a href="/facts/IUPAC_polymer_nomenclature/Vou81W64">source-based name</a> is poly (ethene-co-tetrafluoroethene). It is also known under the DuPont brand name Tefzel and is sometimes referred to as 'Teflon Film'. ETFE has a relatively high melting temperature and excellent chemical, electrical and high-energy radiation resistance properties. </p>