ETFE is a copolymer of ethylene tetrafluoroethylene (C2F4) and ethylene (C2H4). Suitable for a wide range of high-end applications.

ETFE abbreviated as F-40, is a copolymer of tetrafluoroethylene and ethylene. It is widely used in new energy, 5G base stations, chemical engineering, electrical systems, construction, and other fields.