Irradiation cross-linking high-performance high flame-resistant electric wire and cable and preparation method thereof
A wire and cable, high flame-retardant technology, applied in the field of radiation cross-linked high-performance high-flame Ethylene and other problems, to achieve the effect of excellent flame retardancy
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Embodiment 1
[0077] A radiation cross-linked high-performance high-flame-retardant wire and cable, including five conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation cross-linked polyethylene insulating layer 3 is provided on the outside of the shielding layer 2. The irradiated cross-linked polyethylene insulation layer 3 is provided with a refractory mica layer 4, the conductor 1 is filled with a rock wool rope 5, and the entire conductor 1 and the rock wool rope 5 are provided with a flame-retardant tape 6 outside, so The conductor 1 and its outer covering shielding layer 2, irradiated cross-linked polyethylene insulating layer 3, and refractory mica layer 4 form a whole, and are symmetrically distributed in the flame-retardant tape 6, and the flame-retardant tape 6 is externally arranged There is a flame-retardant polyethylene inner protective layer 7, and an armor layer 8 is provided outside the flame-retardant polyethylene inner protective ...
Embodiment 2
[0114] A radiation cross-linked high-performance high-flame-retardant wire and cable, including five conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation cross-linked polyethylene insulating layer 3 is provided on the outside of the shielding layer 2. The irradiated cross-linked polyethylene insulation layer 3 is provided with a refractory mica layer 4, the conductor 1 is filled with a rock wool rope 5, and the entire conductor 1 and the rock wool rope 5 are provided with a flame-retardant tape 6 outside, so The conductor 1 and its outer covering shielding layer 2, irradiated cross-linked polyethylene insulating layer 3, and refractory mica layer 4 form a whole, and are symmetrically distributed in the flame-retardant tape 6, and the flame-retardant tape 6 is externally arranged There is a flame-retardant polyethylene inner protective layer 7, and an armor layer 8 is provided outside the flame-retardant polyethylene inner protective ...
Embodiment 3
[0151] A radiation cross-linked high-performance high-flame-retardant wire and cable, including five conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation cross-linked polyethylene insulating layer 3 is provided on the outside of the shielding layer 2. The irradiated cross-linked polyethylene insulation layer 3 is provided with a refractory mica layer 4, the conductor 1 is filled with a rock wool rope 5, and the entire conductor 1 and the rock wool rope 5 are provided with a flame-retardant tape 6 outside, so The conductor 1 and its outer covering shielding layer 2, irradiated cross-linked polyethylene insulating layer 3, and refractory mica layer 4 form a whole, and are symmetrically distributed in the flame-retardant tape 6, and the flame-retardant tape 6 is externally arranged There is a flame-retardant polyethylene inner protective layer 7, and an armor layer 8 is provided outside the flame-retardant polyethylene inner protective ...
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