YS/T 421-2017 in English

This standard outlines the specifications for aluminum materials used in indirect printing plate bases. It defines the technical requirements, including dimensions, surface quality, and mechanical properties, to ensure the materials meet the necessary performance criteria for their intended application. The standard also includes testing methods and inspection procedures to verify compliance with the specified characteristics. Additionally, it provides guidelines for the classification and labeling of these materials. The content is structured to facilitate the production, quality control, and use of aluminum materials in the printing industry. It serves as a reference for manufacturers, suppliers, and users to ensure consistency and reliability in material specifications.