How to solve the problem of color fading in the printing process of paper bags

Due to the different uses of making paper bags, the requirements for paper bags are also different. Some will need to be printed in multiple colors to process. Improper handling of this printing process will cause various problems, which will greatly reduce the overall effect of the paper bag. Below is a list of some common problems and corresponding solutions.

The first thing we most often encounter is the problem of color fading or incomplete color printing. On the home page, we can choose to do a surface treatment, such as lamination, oiling, UV, etc. Because there is a layer on the surface of the paper bag that is equivalent to a protective film, it will greatly reduce the probability of color fading. Among them, the kraft paper bags generally do not have the problem of color fading because of the better ink absorption performance of the natural color. But sometimes there will be the problem of incomplete coloring, especially the yellow kraft paper bag with heavier background color, then we need to overprint many times, but we need to pay attention to each printing, if it is not allowed, it is easy to have the effect of ghosting , it would be better to deal with the blank part.

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