Fireproof high-temperature-resistant power cable
A power cable and high-temperature-resistant technology, which is applied in the field of fire-resistant and high-temperature-resistant power cables, can solve the problems of low temperature resistance and poor fireproof performance, and achieve the effects of good high temperature resistance, high fireproof performance level, and long power supply cycle
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[0014] The present invention will be further clarified below in conjunction with the drawings and specific embodiments. It is only used but not limited to the scope of the present invention.
[0015] Such as figure 1 , A fire-resistant and high-temperature-resistant power cable of the present invention, the center of the cable is an alloy copper conductor 1, a silicon carbide insulating layer 2 is extruded outside the alloy copper conductor 1, and a welded copper tube is successively arranged outside the silicon carbide insulating layer 2 Cover 3 and PP copolymer extruded outer sheath 4.
[0016] The maximum use temperature of silicon carbide fiber is 1200℃, its heat resistance and oxidation resistance are better than that of carbon fiber, the strength is 1960~4410MPa, the strength retention rate at the maximum use temperature is more than 80%, and the modulus is 176.4~294GPa. The chemical stability is also good. Silicon carbide fibers are mainly used as high temperature resista...
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