The invention discloses a heatproof 
corrosion-resistant cable material for 
urban rail transport and a preparation method thereof. The heatproof 
corrosion-resistant cable material is prepared from the following raw materials, by weight, 38-46 parts of teflon, 24-33 parts of a 
liquid crystal polymer, 16-22 parts of polyarylsulfone, 10-15 parts of a nano-
zeolite molecular sieve, 6-12 parts of hexaphenoxy cyclotriphosphazene, 5-10 parts of 
diethylene glycol dibenzoate, 3-6 parts of 
microcrystalline wax, 8-16 parts of hollow glass microspheres, 14-18 parts of a composite 
flame retardant, 4-9 parts of 
melamine cyanurate, 2-3 parts of tri(
mercaptoacetic acid n-butyl ester)
antimony, 2-3 parts of 2-
octyldodecanol, 10-15 parts of 
diallyl phthalate, 2-3 parts of Stearoylbenzoylmethane and 1-2 parts of 6-ethoxy-2,2,4-trimethyl-1,2-dihydro-
quinoline. The cable material has good 
heat resistance, and the 
heat resistance grade reaches 160 DEG C. In addition, the cable material has excellent 
corrosion resistance, is especially resistant to corrosive mediums such as acid, alkali, salt, oil and the like, has good 
wear resistance, weather 
ageing resistance, 
flame resistance and the like, and can completely meet requirements of performance when used under conditions of high-temperature corrosive mediums.