| 摘要 |
It is an object of the present invention to provide a protecting/packaging material for a lithographic printing plate capable of preventing the toning of the lithographic printing plate and a method for packaging the lithographic printing plate. In a protecting/packaging material for protecting and/or packaging a lithographic printing plate, a chlorine concentration contained in a inter leaf, protective pasteboard or package paper for the lithographic printing plate used with the lithographic printing plate brought into contact with a photosensitive layer of the lithographic printing plate is set to 1.5% by weight or less.
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