Insulated core wire, high-fire-retardant data cable and processing craft thereof
A technology for insulated core wires and data cables, which is applied in the direction of insulated cables, cable/conductor manufacturing, insulators, etc., can solve the problems of low temperature resistance and flame retardant grades of insulated core wires, achieve low dielectric loss coefficient, and improve flame retardant properties , the effect of preventing the spread of flames
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Embodiment 1
[0046] The first embodiment is an insulated core wire, refer to figure 1As shown, the insulated core wire includes a conductor 1, and the outer peripheral side of the conductor 1 is sequentially covered with an inner insulating layer 2 and an outer insulating layer 3 along its radial direction; the inner insulating layer 2 is an HDPE insulating layer, and the outer insulating layer 3 is FEP insulation.
[0047] Among them, HDPE is a copolymer of tetrafluoroethylene and hexafluoropropylene.
[0048] Wherein, the conductor 1 is a single crystal copper conductor, and the conductor 1 is single or multiple, that is, one or more conductors 1 are arranged in a single inner insulating layer 2 .
[0049] The insulated core wire in this embodiment includes a conductor 1, and the outer peripheral side of the conductor 1 is coated with an HDPE insulating layer and a FEP insulating layer in turn; since the FEP insulating layer is arranged on the outside of the HDPE insulating layer, and t...
Embodiment 2
[0067] The second embodiment is a high flame retardant data cable, refer to image 3 As shown, it includes the sheath layer 4 and the insulated core wire in Embodiment 1, and the sheath layer 4 covers the outer peripheral side of the insulated core wire.
[0068] The high flame-retardant data cable in this embodiment can produce the beneficial effect of the insulated core wire in Embodiment 1, and will not be repeated here.
[0069] In this embodiment, there are multiple insulated core wires, and each insulated core wire is paired and twisted respectively. Two pairs of twisted wires 5 are formed, and there are multiple groups of twisted wires 5; The outer peripheral side of line 5.
[0070] Wherein, the twisted wires 5 are arranged in 4 groups.
[0071] In this embodiment, a tear line 6 is provided inside the sheath layer 4 , and the extension direction of the tear line 6 is the same as that of the conductor 1 .
[0072] Among them, adding the tear wire 6 in the data cable ...
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