Foam molding composition, foam molded body, electric wire, method for producing foam molded body and method for producing electric wire

A foamed electric wire, comprising a core wire, and a fluororesin layer or a fluororesin composition layer covering the core wire,

• wherein the fluororesin layer or the fluororesin composition layer contains cells, and
• wherein an average aspect ratio of the cells is 1.9 or lower, in observation of a cut surface parallel to the lengthwise direction of the foamed electric wire.

A foamed electric wire, comprising a core wire, and a fluororesin layer or a fluororesin composition layer covering the core wire,

• wherein the fluororesin layer or the fluororesin composition layer contains cells, and
• wherein a presence proportion of cells having an aspect ratio of 3 or higher is 13% or lower with respect to a total amount of the cells measured in the observation of the cut surface parallel to the lengthwise direction of the foamed electric wire, in observation of a cut surface parallel to the lengthwise direction of the foamed electric wire.

A foamed electric wire, comprising a core wire, and a fluororesin layer or a fluororesin composition layer covering the core wire,

• wherein the fluororesin layer or the fluororesin composition layer contains cells, and
• wherein a standard deviation of aspect ratios of the cells is 1.3 or lower, in observation of a cut surface parallel to the lengthwise direction of the foamed electric wire.

A foamed electric wire, comprising a core wire, and a fluororesin layer or a fluororesin composition layer covering the core wire,

• wherein the fluororesin layer or the fluororesin composition layer contains cells, and
• wherein a foaming ratio of the fluororesin layer or the fluororesin composition layer is 35% or higher and a surface roughness thereof is 9.0 μm or smaller.