Wire harness and insulated electric wire thereof having water-stopping agent

An insulated electric wire comprising:

• a conductor in which a plurality of elemental wires made of a metal material are twisted together;
• and
• an insulation covering that covers an outer circumference of the conductor,
• wherein the insulated electric wire comprises:
• an exposed portion in which the insulation covering is removed from the outer circumference of the conductor;
• a covered portion in which the insulation covering covers the outer circumference of the conductor, the exposed portion and the covered portion being provided adjacent to each other in a longitudinal axis direction of the insulated electric wire;
• and
• a water-stopping portion in which a water-stopping agent is placed over the exposed portion and an area of the covered portion that is adjacent to the exposed portion, and
• the water-stopping portion comprises:
• a filled area between the plurality of elemental wires in which gaps between the plurality of elemental wires in the exposed portion are filled with the water-stopping agent;
• an exposed portion outer circumferential area in which the water-stopping agent covers the outer circumference of the conductor in the exposed portion;
• and
• a covered portion outer circumferential area in which the water-stopping agent covers an outer circumference of the insulation covering in the area of the covered portion that is adjacent to the exposed portion, wherein
• the filled area between the plurality of elemental wires, the exposed portion outer circumferential area, and the covered portion outer circumferential area are continuous with each other,
• a twist pitch of the plurality of elemental wires in the exposed portion is less than a twist pitch at least in a remote area that is an area of the covered portion except for an area adjacent to the exposed portion,
• a layer thickness of the water-stopping agent in the exposed portion outer circumferential area is greater than a layer thickness in the covered portion outer circumferential area,
• the layer thickness of the water-stopping agent in the covered portion outer circumferential area is less than a thickness of the insulation covering,
• an elasticity modules of the water-stopping agent is greater than an elasticity modulus of the insulation covering, and
• the water-stopping agent directly contacts a surface of the insulation covering in the covered portion and a surface of the conductor in the exposed portion.