A copolymer containing a tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 2.0 to 2.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 7.0 g/10 min, and the number of functional groups of —CF═CF.sub.2, —CF.sub.2H, —COF, —COOH, —COOCH.sub.3, —CONH.sub.2 and —CH.sub.2OH of 50 or less per 10.sup.6 main-chain carbon atoms. Also disclosed is a compression molded article, an extrusion formed article, a transfer molded article, a member to be compressed, a film, a tube and a coated electric wire including the copolymer.

A copolymer containing a tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 2.0 to 2.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 7.0 g/10 min, and the number of functional groups of —CF═CF.sub.2, —CF.sub.2H, —COF, —COOH, —COOCH.sub.3, —CONH.sub.2 and —CH.sub.2OH of 50 or less per 10.sup.6 main-chain carbon atoms. Also disclosed is a compression molded article, an extrusion formed article, a transfer molded article, a member to be compressed, a film, a tube and a coated electric wire including the copolymer.

A sealing member containing a copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro (propyl vinyl ether) unit of 4.0 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate of 26 to 37 g/10 min, and the number of functional groups of —CF═CF.sub.2, —CF.sub.2H, —COF, —COOH, —COOCH.sub.3, —CONH.sub.2 and —CH.sub.2OH of more than 50 per 10.sup.6 main-chain carbon atoms, wherein the sealing member has a thickness of 0.5 to 2.5 mm and a sealing area of 0.5 to 50 cm.sup.2, and wherein the sealing member is in a state of being compressed at a compression deformation rate of 20 to 60%. Also disclosed is a power storage assembly including the sealing member.

Provided is a cable having a sheath composition having flame retardancy and water resistance, and a sheath layer formed of the sheath composition. Specifically, the present invention relates to a sheath composition for simultaneously improving flame retardancy and water resistance of a sheath layer of a cable, which are in a trade-off relation with each other, and physical properties such as heat resistance, hardness, and wear resistance, improving appearance, and reducing manufacturing costs; and a cable having a sheath layer formed of the sheath composition.

A shielded flat cable includes multiple flat conductors arranged in parallel, a lower insulating layer provided on lower surfaces of the multiple conductors, a lower shield layer provided on a lower surface of the lower insulating layer, a lower protective layer provided on a lower surface of the lower shield layer, a lower contact portion that is exposed from the lower protective layer and provided to contact a second contact member of the connector, and that is electrically coupled to the lower shield layer, a terminal in which the multiple conductors are exposed at an end, and a reinforcing plate provided on the lower surface of the lower insulating layer and the lower surfaces of the multiple conductors at the terminal. The multiple conductors extend along the lower insulating layer and the reinforcing plate, and the lower contact portion and the terminal overlap in a side view.

A wiring member includes: at least one first cover wire; at least one second cover wire; and a first sheet to which at least the first cover wire is fixed, wherein a first hole is formed in the first sheet, and a connection part where a core wire of the first cover wire and a core wire of the second cover wire are connected is located in a region where the first hole is formed.

A wiring member includes: at least one first cover wire; at least one second cover wire; and a first sheet to which at least the first cover wire is fixed, wherein a first hole is formed in the first sheet, and a connection part where a core wire of the first cover wire and a core wire of the second cover wire are connected is located in a region where the first hole is formed.

A water stop structure for a shield cable includes a lead-in port formed in a sheet metal of a housing, a grommet to be liquid-tightly fitted into the lead-in port, a shield shell disposed outside the housing so as to surround the grommet and with an end portion of a braid of the shield cable being crimped, and a spacer configured to adjust an attachment height of the shield shell with respect to the sheet metal so as to fasten the shield shell to the sheet metal in a state where conduction is ensured.

A shielded flat cable includes multiple conductors arrayed in parallel along a first plane, a resin insulating layer including first and second resin insulating layers that cover the conductors, the first plane being sandwiched between the first and second resin insulating layers, a shield layer that covers an outer surface of the resin insulating layer and that includes an adhesive, and a pair of flame-retardant resin films that cover an outer surface of the shield layer. The pair of resin films have a first bonding section and a second bonding section where the pair of resin films are bonded to each other. The outer surface of the shield layer has a first portion that contacts the first bonding section and a second portion that contacts the second bonding section. The shield layer has a third bonding section where the adhesive is bonded to each other.

A copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 5.8 to 7.6% by mass with respect to the whole of the monomer units, a melt flow rate of 50 to 68 g/10 min, and the number of functional groups of —CF═CF.sub.2, —CF.sub.2H, —COF, —COOH, —COOCH.sub.3, —CONH.sub.2 and —CH.sub.2OH of 50 or less per 10.sup.6 main-chain carbon atoms. Also disclosed is an injection molded article and member to be compressed containing the copolymer, and a coated electric wire including a coating layer containing the copolymer.