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.
一种适用于凸版印刷的
水可开发的光敏
树脂版,其包括一层光敏
树脂和与之接触的保护膜,其中保护膜由至少两层组成,其中一层是表面层,含有一种重量为5%或更少的具有吸
水性的
树脂,另一层是中间层,与光敏
树脂层接触,含有一种
水溶性
树脂。