Intelligent constructional mineral type insulation copper sheath flexible fireproof cable and manufacturing method
A technology for intelligent buildings and fireproof cables, applied in the direction of insulated cables, cable/conductor manufacturing, insulated conductors, etc., can solve the problems of limited cable manufacturing length, unstable electrical performance, and inconvenient installation and construction, and achieve good cooling and heat insulation protection Function, solve the effect of unstable fire resistance, easy laying and installation
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[0027] (Example 1)
[0028] see figure 1 , The mineral insulated copper sheathed flexible fireproof cable for intelligent buildings of this embodiment includes at least one insulated core from the inside to the outside, a heat-insulating filling inner sheath 4 and an outer sheath 5; the insulated core consists of To the outside are conductor core 1, fire-resistant insulating layer 2 and copper protective layer 3; copper protective layer 3 is a closed seamless copper or copper alloy tube; thermal insulation filling inner protective layer 4 is made of inorganic mineral materials and then wrapped around ore Material fire barriers, or squeeze packs of mineral-filled inner protective materials. The fire-resistant insulating layer 2 is a wrapped mineral insulating composite tape or an extruded mineral insulating tape, and the thickness of the fire-resistant insulating layer 2 is 0.5-3.0 mm. The conductor core 1 is made of a single annealed copper single wire or a plurality of anneale...
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