LITHOGRAPHIC PLATE MATERIAL

摘要

There is provided a lithographic plate material with which a lithographic plate is prepared by the hot-melt transfer recording method utilizing an ink ribbon. The lithographic plate material has an image-receptive layer for hot-melt transfer recording that has water retention property or can be imparted with water retention property on a support, and the image-receptive layer has surface roughness (JIS-B0601-1994) of 0.15 um or more in terms of arithmetical mean deviation Ra and 1.00-3.00 .mu.m in terms of 10-point height of irregularities Rz. It shows good transfer property for ink layer of ink ribbon and excellent fixation property for ink layer, and it enables production of a printing plate having excellent priming durability.