PHOTOPOLYMER PLATE FOR LETTERPRESS PRINTING

摘要

A water-developable, photosensitive resin plate for letterpress printing which comprises a photosensitive resin layer and a protective film contacting therewith, wherein the protective film consists of at least two layers, of which one is a surface layer containing a resin having a water absorption of 5% by weight or less and the other is an intermediate layer containing a water-soluble resin in contact with the photosensitive resin layer.