PHOTOPOLYMER PLATE FOR LETTERPRESS PRINTING

摘要

A water-developable photopolymer plate for letterpress printing comprising a photopolymer layer and a protective film in contact therewith, wherein the protective film comprises at least two layers of which a surface layer contains a resin having a water absorptivity of 5 wt.% or less and an intermediate layer in contact with the photopolymer layer contains a water-soluble resin.