Weather affects ink tinting strength
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1. The dark color is placed on the front, and the lighter color is placed on the back. Because the darker ink has strong hiding power and strong adhesion, it is printed first in front to facilitate accurate overprinting and light hiding power. Weak, it is not easy to observe when running over the back stacking, and the effect of overprinting is also good.
2, self-adhesive printing products have full version of the field, but also text, lines, patterns. Such as: wine boxes, pharmaceutical trademarks and other printed products, the printing color sequence is best to first print the text, lines, patterns, and then put the full version of the field on the T after the machine printing, so as to avoid the thickness of the self-adhesive paper, imprint When the paper is not dry, the paper collides with each other and the back surface is dirty.
3, often in a printed product, there are halftone four-color electric points, and there are continuous tone patterns, text, lines, at this time, the electric four-color dots should be printed first, which is conducive to accurate overprinting and reduce paper stretching. Influence, and then print the continuous adjustment of the text, lines, patterns, in the printing color sequence arrangement to identify the primary and secondary, first difficult and more appropriate.
4, the summer weather changes greatly, and the rainy season, to control the temperature and humidity of the environment, affecting the uneven moisture content of the offset printing paper, wrinkling; bending, squatting and uneven, will be cut before and after printing Paper baskets and semi-finished products are tightly wrapped in plastic.