PROCESS FOR PRODUCING ALUMINUM SUPPORT FOR LITHOGRAPHIC PRINTING PLATE

摘要

A process for preparing a lithographic support, and the printing plate made therefrom, are described, wherein the process comprises the steps of (a) liquid-honing a surface of an aluminum sheet, and (b) electrochemically graining the surface of the aluminum sheet in an electrolyte comprises hydrochloric acid, nitric acid, or a mixture thereof.