TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The ultraviolet-shielding agent is ultraviolet light absorber, carbon black and/or titanium dioxide.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The fluorinated monomer is tetrafluoroethylene, chlorotrifluoroethylene, perfluoroalkyl vinyl ether, vinylidene fluoride and/or hexafluoropropylene. The curable functional group is hydroxyl group, carboxyl group, amino group, epoxy group and/or isocyanate groups.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The mixture contains polyolefin and ethylene-vinyl acetate copolymer in mass ratio of 100:5-60. The ethylene-vinyl acetate copolymer has ethylene content of 4-50 wt.%. The polyolefin is polyethylene, polypropylene, polyisoprene and/or metallocene polyolefin. The heat-moisture-resistant layer further contains titanium dioxide, antioxidant and/or hindered amine light stabilizer. The fluorine-containing polymer paint curing-coating layer contains fluorine-containing polymer having fluorine-containing group, isocyanate curing agent and optional ultraviolet-shielding agent. The fluorine-containing polymer is copolymer of fluorinated monomer and curable functional group-containing monomer. The polyurethane comprises polyester polyurethane resin, curing agent having two or more isocyanate functional groups and optional additives chosen from carbodiimide, fumed silica and antioxidant. The polyester resin of polyester polyurethane resin is polyester polyol and/or polyacrylate polyol. The insulating substrate layer contains polyethylene terephthalate or polyethylene naphthalate, preferably polyethylene terephthalate. Preferred Properties: The fluorine-containing polymer paint curing-coating layer has thickness of 15-40 mu m. The polyurethane coating layer has thickness of 1-10 mu m. The insulating substrate layer has thickness of 90-150 mu m. The adhesive layer has thickness of 1-10 mu m. The heat-moisture-resistant layer has thickness of 25-300 mu m.