Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.4 to 11.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.5 to 1.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.1 to 6.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF—CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 3.7 to 4.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 28.0 to 34.0 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 2.4 to 3.48 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 1.4 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.5 to 11.4% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.8 to 1.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 9.0 to 14.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 100 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.0 to 12.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.3 to 0.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 7.6 to 13.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 5.6 to 6.38 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 17.1 to 23.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 4.3 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.7 to 1.4 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.4 to 5.28 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 11.0 to 16.0 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.3 to 11.6% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.4 to 2.68 by mass with respect to the whole of the monomer units, a melt flow rate at 372°° C. of 24.1 to 39.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 120 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.4 to 12.2% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.9 to 1.78 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.0 to 13.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.7% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.5 to 1.7% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 13.0 to 18.0 g/10 min.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.3% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.4 to 2.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 24.1 to 39.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 120 or less.

Abstract: Provided is a copolymer comprising tetrafluoroethylene unit and perfluoro(ethyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(ethyl vinyl ether) unit of 4.5 to 6.2% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 4.0 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.5 to 9.5% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 1.2 to 1.88 by mass with respect to the whole of the monomer units, a melt flow rate at 372°° C. of 9.0 to 15.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 100 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and a fluoro (alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of the fluoro (alkyl vinyl ether) unit of 0 to 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 8.0 to 10.0 g/10 min, and a total number of —CF2H, a carbonyl group-containing terminal group, —CF—CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 5.5 to 6.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 36.1 to 49.9 g/10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit, and a fluoro (alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.2 to 13.2% by mass with respect to the whole of the monomer units, a content of the fluoro (alkyl vinyl ether) unit of 0 to 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 10.0 to 17.0 g/10 min, and a total number of —CF2H, a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.1% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.8 to 1.78 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 4.5 to 8.5 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.3 to 0.8% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 0.9 to 5.8 g/10 min.

Abstract: There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 8.0 to 9.4% by mass with respect to the whole of the monomer units, a content of perfluoro (propyl vinyl ether) unit of 0.6 to 1.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 6.8 to 9.9 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF?CF2 and —CH2OH per 106 main-chain carbon atoms of 90 or less.