Halar ® ECTFE (Ethylene-chlorotrifluoroethylene) Film provides excellent purity, chemical resistance, good electrical properties, a broad-use temperature range from cryogenic to 300°F (150°C), and meets the requirements of UL-94 V-0 vertical flame test in thicknesses as low as 7 mils (0.18 mm). It is a tough material with excellent impact strength and wear resistance. Halar® 300 resin. Custom sized sheeting available.