Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: The present invention is a resin composition including: a resin component; zinc oxide; and an acetic acid remover, wherein the resin component includes an ethylene-vinylacetate copolymer and a content of the ethylene-vinylacetate copolymer in the resin component is greater than or equal to 10% by mass, wherein the acetic acid remover is an acid acceptor, a nitrogen-containing aromatic heterocyclic compound having a mercapto group, or a combination thereof, and wherein a mass ratio of the zinc oxide to the ethylene-vinylacetate copolymer is greater than or equal to 0.06 and less than or equal to 0.20.

Abstract: A core wire for multi-core cables includes a conductor obtained by twisting a plurality of elemental wires, and an insulating layer coated on an outer peripheral surface of the conductor. The insulating layer contains polyethylene-based resin as a main component, and the product of a linear expansion coefficient C1 of the insulating layer in the range of 25° C. to ?35° C. and an elastic modulus E1 at ?35° C., namely (C1×E1) is 0.01 MPaK?1 or more and 0.90 MPaK?1 or less. The melting point of the polyethylene-based resin is 80° C. or higher and 130° C. or lower.

Abstract: A multi-conductor cable for a vehicle includes core wires respectively having a conductor formed by a plurality of twisted wires, and an insulating layer covering an outer periphery of the conductor, and a sheath layer disposed around the core wires. A marking portion is partially formed on an outer peripheral surface of the sheath layer, and a ratio of an arithmetic average roughness Ra2 of a peripheral region adjacent to the marking portion, with respect to an arithmetic average roughness Ra1 of the marking portion, at the outer peripheral surface, is 0.10 or greater and 0.90 or less.

Abstract: The present invention is a resin composition including: a resin component; zinc oxide; and an acetic acid remover, wherein the resin component includes an ethylene-vinylacetate copolymer and a content of the ethylene-vinylacetate copolymer in the resin component is greater than or equal to 10% by mass, wherein the acetic acid remover is an acid acceptor, a nitrogen-containing aromatic heterocyclic compound having a mercapto group, or a combination thereof, and wherein a mass ratio of the zinc oxide to the ethylene-vinylacetate copolymer is greater than or equal to 0.06 and less than or equal to 0.20.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: The cable according to one embodiment of the invention comprises: one or a plurality of core members, each having a conductor and an insulation cover material covering the conductor; and a sheath layer covering the one or the plurality of core members. The sheath layer comprises an inner sheath layer, and an outer sheath layer covering the inner sheath layer. The inner sheath layer comprises a crosslinked very low density polyethylene. The main component of the outer sheath layer is polyurethane. Relative to 100 parts by mass of resin component in the inner sheath layer, the very low density polyethylene content is between 20 parts by mass and 100 parts by mass inclusive. The elastic modulus of the inner sheath layer at 25° C. is between 5 MPa and 30 MPa inclusive.

Abstract: An insulated electric wire includes a conductor and an insulating layer covering an outer periphery of the conductor. The insulating layer is formed of a crosslinked polymer of an insulating resin composition that contains a resin component containing a first copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of less than 0.88 g/cm3, a second copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of 0.88 g/cm3 or more and less than 0.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: An electric wire with a terminal, includes an insulated wire which includes a core wire and an insulating layer covering the core wire, a seal member which is disposed in one end portion of the insulated wire and covers the insulating layer, a metal terminal which extends from the end portion of the insulated wire and is connected to the core wire and a waterproof resin portion which covers from a seal member covering part of the insulated wire to an electrical connection part of the metal terminal. The insulating layer contains an olefin resin. The waterproof resin portion contains a polyester, a polyamide, an ethylene-vinyl acetate copolymer, or a mixed resin thereof. The seal member includes an inner layer containing an ethylene resin and an outer layer laminated on the inner layer and containing a polyester, a polyamide, an ethylene-vinyl acetate copolymer, or a mixed resin thereof.

Abstract: Provided is an anticorrosive containing a curable resin composition and that has a high anticorrosive capability and a good adhesion to an oily surface, and a terminal-attached covered electric wire and a wiring harness using the anticorrosive. The terminal-attached covered electric wire has a contact portion where a wire conductor of a covered electric wire and a connection terminal contact each other. The contact portion is covered with the anticorrosive. The wiring harness contains the terminal-attached covered electric wire.

Abstract: A cable includes at least one core that has a conductor and an insulating coating layer that covers the conductor; and a sheath layer that covers the at least one core. The sheath layer includes an inner sheath layer and an outer sheath layer that covers the inner sheath layer. The inner sheath layer contains a silane-crosslinked very low density polyethylene. A main component of the outer sheath layer is polyurethane; a content of the very low density polyethylene per 100 parts by mass of a resin component in the inner sheath layer is 20 parts by mass or more and 100 parts by mass or less. A content of silicon atoms constituting silane crosslinks in the very low density polyethylene is 0.05 mass % or more and 1 mass % or less.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: A resin composition according to an embodiment of the present invention for a flat cable-reinforcing tape contains a polyester, a polyurethane, and a polycarbodiimide, in which the mass ratio of the polyurethane to the polyester is 40/60 or more and 80/20 or less. A flat cable-reinforcing tape according to an embodiment of the present invention includes a base layer containing a resin as a main component and an adhesive layer stacked on the base layer, the adhesive layer containing the resin composition. A flat cable according to an embodiment of the present invention includes one or a plurality of conductors, a pair of covering materials that hold the one or plurality of conductors therebetween, and the flat cable-reinforcing tape.

Abstract: A core electric wire for a multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer covering the conductor, a principal component of the insulating layer being a copolymer of ethylene and an ?-olefin having a carbonyl group; the ?-olefin content in the copolymer being 14% to 46% by mass; and a mathematical product C*E being 0.01 to 0.9, wherein C is a linear expansion coefficient of the insulating layer at from 25° C. to ?35° C., and E is a modulus of elasticity thereof at ?35° C. Average area of the conductor in the transverse cross section is 1.0 to 3.0 mm2. Average diameter of the element wires in the conductor is 40 to 100 ?m, and number of the element wires is 196 to 2,450.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: An object of the present disclosure is to provide a core electric wire for a multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for a multi-core cable according to an aspect of the present disclosure comprises a conductor obtained by twisting element wires, and an insulating layer covering the conductor, wherein a linear expansion coefficient C of the insulating layer at from 25° C. to ?35° C. is no less than 1×10?5 K?and no greater than 2.5×10?4 K?1.