Patent ID: 11865758
Assignee: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C | IPC B

Claim 0:
1. A molded article having a hollow portion, the molded article consisting of a tetrafluoroethylene (TFE) and perfluoro(ethyl vinyl ether) (PEVE) copolymer (PFA) consisting of tetrafluoroethylene (TFE) and 1 to 10 mol % of perfluoro(ethyl vinyl ether) (PEVE), wherein said molded article has a flex life value of not less than 2,000,000 times, a zero shear viscosity of from 10,000 to 20,000 Pa·s, and a heating weight loss of not more than 0.05% by weight upon heating to 360° C. for one hour, wherein the PFA contains fewer than 6 unstable terminal groups per 106 carbon atoms, wherein the unstable terminal groups comprise —CH2OH, —CONH2, and —COF terminal groups.