METHOD FOR EVALUATING DEGRADATION DEGREE OF ELECTRIC WIRE COATING

To provide a method for evaluating the degradation degree of an electric wire coating that can be easily used in a set site without taking a sample of the electric wire coating from the set site.SOLUTION: A method for evaluating the degradation degree of an electric wire coating including polyvinyl chloride and a plasticizer includes, in the stated order, step (1) of attaining a contact unit by bringing an alcoholic solution of a dye in contact with the electric wire coating, and step (2) of evaluating the degradation degree of the electric wire coating on the basis of the degree of coloring of the contact unit.SELECTED DRAWING: None 【課題】設置現場から電線被覆のサンプルを持ち帰ることなく、設置現場でも簡便に実施可能な電線被覆の劣化程度を評価する方法を提供する。【解決手段】ポリ塩化ビニル及び可塑剤を含有する電線被覆の劣化程度評価方法であって、（１）前記電線被覆に染料のアルコール溶液を接触させて接触部を得る工程１、（２）前記接触部の着色程度に基づいて前記電線被覆の劣化程度を評価する工程２、を順に備える、電線被覆の劣化程度評価方法。【選択図】なし