Post-press processing quality requirements and inspection methods

Quality requirements and test methods
For post-press finishing
Quality requirements and test methods for foil-stamping

CY/T7.4-91

Press and Publication Administration of the People's Republic of China 1991-07-01 Approved 1991-10-01 Implementation 1 Subject Content This standard specifies the quality requirements and test methods for hot foil (or hot stamping) on ​​the cover surface of books and periodicals.
2 Quoting standard GB 9851 printing technology terminology 3 classification 3.1 with hot materials;
3.2 No hot material;
3.3 sets of hot.
4 Quality Requirements 4.1 Hot Stamping Plates, Temperature and Time 4.1.1 Hot stamping plate is made of copper plate or zinc plate with a thickness of not less than 1 mm.
4.1.2 Hot stamping pressure, time, temperature and hot stamping material, the texture of the cover material should be appropriate, writing and pattern scalding, do not paste.
4.2 Hot stamping 4.2.1 Wrapper with hot material: The characters and patterns are not white, discolored, and do not fall off. The writings, patterns and lines are clear and clean, the surface is smooth and firm, and the light-colored parts have a good finish and no dirty spots.
4.2.2 Non-wrapping cover: No discoloration, clear and clean writing, lines and patterns.
4.3 Sets of cover sheets that have been hot for more than two times have no leakage hot, clear layers, clear patterns, clean, and good finish. The set of hot errors is less than 1 mm.
4.4 The position of the frame and the text and pattern of the hot stamping cover page and the book back are accurate, and the size meets the design requirements. The cover stamping error is less than 5 mm and the skew is less than 2 mm. The upper and lower error of the position of the book back position is less than 2mm, and the skewness does not exceed 10%.
5 Inspection method 5.1 Measurement method Use a millimeter rule to check the size of each part of the hot plate surface.
5.2 visual inspection professional and technical personnel according to the standard requirements of visual inspection of product quality.
Additional information:
This standard was proposed and managed by the Press and Publication Administration of the People's Republic of China.
This standard is drafted by the Chinese printing company.
Drafters of this standard are Wang Huaizhu and Shi Qunfang.