A halogen-free extra-high-voltage cable for railway rolling stock includes a stranded conductor, an inner semi-conducting layer covering the stranded conductor, an outer semi-conducting layer provided on an outer periphery of the inner semi-conducting layer via an insulation layer, and a sheath layer on an outer periphery of the outer semi-conducting layer, the sheath layer containing 80 to 200 parts by weight of metal hydroxide and 0.5 to 10 parts by weight of cross-linking agent with respect to 100 parts by weight of olefin-based polymer containing ethylene-vinyl acetate copolymer as a main component, the ethylene-vinyl acetate copolymer having a vinyl acetate content of not less than 40 wt % and less than 50 wt % and a melt flow rate of not more than 2.5 g/10 min and a resin composition is cross-linked.
Halogen-free extra-high-voltage cable for railway rolling stock
03.11.2015
Patent
Elektronische Ressource
Englisch
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