Composite cable for flame-retardant fireproof boat and manufacturing method thereof
2013
The invention relates to a composite cable for a flame-retardant fireproof boat and a manufacturing method thereof. A power cable core, a control cable core and an instrument cable core are stranded into a composite cable core; the periphery of the composite cable core is coated with a low-intensity non-woven fabric longitudinally-covered layer; an inner jacket is extruded on the periphery of the low-intensity non-woven fabric longitudinally-covered layer in a wrapping way; the periphery of the inner jacket is coated with an armor braid; and an outer jacket is extruded on the periphery of the armor braid in a wrapping way. The low-intensity non-woven fabric longitudinally-covered layer is completely in fit with each insulated conductor in shape, so that gaps between the low-intensity non-woven fabric longitudinally-covered layer and the insulated cores are eliminated, and flame can be conveniently prevented from being spread inwards; and meanwhile, the inner jacket and the insulated cores are guaranteed not to be adhered, so that the insulated cores are not damaged when the jacket is stripped in the constructing process.
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