POLYESTER FILM WRAPPER AND ITS STORAGE METHOD

摘要

PROBLEM TO BE SOLVED: To provide a wrapper and a storage method of polyester film in which there are no oligomers in a film surface, and which is excellent in magnetic recording property when used as a substrate for a magnetic recording vehicle, optical characteristics and gas barrier when used as an optical use substrate. SOLUTION: The polymer film wrapper is that the entirety of the polymer film roll wound into a roll shape is covered with a plastic film of which at least one side face is laminated with a metal film or an inorganic oxide sheet, and at least one kind of desiccant of which the hygroscopic degree is not more than 55% is enclosed into the inside of the packaged body. COPYRIGHT: (C)2004,JPO