1. When printing securities, generally print the pattern first, then print the pattern, text and numbers.
2. When copying manuscripts such as register prints, the printing color sequence should be as consistent as possible.
3. New year pictures, monthly calendars and other types of printed matter with spot color borders, spot color borders are usually printed last.
4. Prints that need to be printed in India, the color sequence of the printed matter is generally opposite to the color sequence of surface printing.
5. There are glazing, hot stamping (hot stamping aluminum), and printed products with lamination requirements. In the process, color ink is printed first, followed by glazing, bronzing and lamination. However, for some printed products with special requirements, when the other colors need to be printed on the anodized aluminum, the above process flow will be changed. At the same time, it should be noted that the adhesion of the ink should not be greater than the adhesion of the anodized aluminum print and the first printing The adhesion of the ink layer to the anodized aluminum.
6. When printing gold and silver ink on the printed matter, because the adhesion of gold and silver ink is small, gold and silver ink should be placed in the final printing. If there are characters and patterns on the gold and silver ink, the text should be printed separately.
7. The superiority of the last yellow ink in four-color printing. â‘ Due to the good transparency of yellow ink, the arrangement of the last color printing is convenient for enough white light to enter the upper and lower ink layers to obtain bright and bright colors, which is conducive to the printed matter to achieve better color reproduction. â‘¡Yellow ink has faster drying performance and larger printing area. Arranging the yellow ink in the last color printing can not only prevent the vitrification caused by the drying speed of the yellow ink is too fast, but also make full use of its large printing area and can quickly oxidize the conjunctiva, covering the surface of other ink layers Give printed matter a certain glossiness.
8. In short, in the specific printing process, the best printing color sequence should be flexibly selected according to the quality requirements of the printed matter according to the overprinting rule, so as to avoid weaknesses, control color deviations, and print the most ideal printed matter.
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