Low-smoke halogen-free fireproof enhanced power cable
The utility model relates to the technical field of fire-resistant cables, and especially relates to a low-smoke halogen-free fire-resistant enhanced power cable. The cable comprises two sets of wires, a halogen-free insulating partition strip is arranged between the wires, a wave-shaped insulating...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of fire-resistant cables, and especially relates to a low-smoke halogen-free fire-resistant enhanced power cable. The cable comprises two sets of wires, a halogen-free insulating partition strip is arranged between the wires, a wave-shaped insulating protection frame is arranged on the outer sides of the wires, a halogen-free fireproof insulating layer is further filled between the insulating protection frame, a magnesium oxide filling layer is arranged in a gap between the halogen-free fireproof insulating layer and the wires, and the magnesiumoxide filling layer is arranged in the gap between the magnesium oxide filling layer and the wires. And a waterproof sheath is arranged on the outer side of the halogen-free fireproof insulating layer. The structural strength and toughness of the power cable are improved by placing the wire in the wave-shaped insulating protection frame, the problem of fire hazard caused by damaged short circuitof the power cable is solv |
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