The Composition and Function of Chromatography in Book Printing
In color printing, the color of general objects is regular. The China printing company summarizes the pertinent and usable chromatogram rules in the actual printing production work, which is generally called printing chromatogram. The appearance of printing chromatogram provides printers in China to reference, making printing more convenient, fast and accurate. Do you know the knowledge of special printing chromatography? If you don't know, let's learn about the knowledge of special printing chromatography.
(1) The composition of the printed chromatogram.
The chromatograms printed by various book printing companies include the following four parts: single-color, two-color, three-color, and four-color parts. Due to the differences in conditions and application objects, there are certain differences in their composition, color block display method and color block quantity. In general, the application of chromatographic analysis will specifically introduce the manufacturing and printing conditions of the chromatogram, the materials used, the required technical parameters, and basic data.
Elucidation of Chromatography. In the explanation of chromatogram, it introduces the basic structure of chromatogram, chromatographic ladder, screen angle, printing paper, ink and other materials, data test and test data, etc. In the monochromatic part of the large part of the color spectrum (four-color part), the yellow cyan is divided into 3%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, 60%, 70%, Thirteen levels of 80%, 90%, and 100%. Black is divided into nine levels: 3%, 5%, 10%, 15%, 20%, 30%, 40%, 50% and 60%. In this way, various monochromatic colors of shades can be obtained. The two-color part is to combine the three colors of yellow, magenta and cyan. The two primary color ladders are arranged horizontally and vertically. Every two primary colors can form 13×13=169 colors, which can be combined into a total of 169× 3 = 507 secondary colors. The three-color part is that on the basis of the two colors (magenta, cyan), the third primary color (yellow) and black are superimposed to form the third color. There are a total of 6084 colors in the color block. In the four-color area, the four-color inks of yellow, blue, and black are superimposed according to the different dot area ratios of each ladder, and 18,804 colors are superimposed.
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Last Update : Apr 28, 2022 4:21 AM
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