This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers a 100% homopolymer of polychlorotrifluoroethylene (PCTFE) in the form of thin wall tubing. Primarily for electrical and electronic applications requiring a chemically-inert tubing of the fluorocarbon family, having high dielectric strength and volume resistivity and being free from pinholes and electrical flaws, for use up to 165 degrees C (329 degrees F).