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Causes of Fading in PET Plastic Box Printing

Release time:

2021-07-16

In the process of PET plastic box printing, the dried ink is lighter than the ink that has just been printed. The main reason for this problem is that the ink on the surface of the PET box penetrates and oxidizes the conjunctiva during the drying process. The letterpress ink is mainly permeated and dried, and the ink layer is relatively thick. At this time, it will take some time to permeate and dry the oxidized conjunctiva. In PET plastic box printing, the ink color should be controlled to be slightly darker than the original printing sample ink color. When the ink dries, it will meet the requirements of the sample ink color.

In fact, all PET plastic box printing ink will have different degrees of fading and discoloration after encountering light. After long exposure to light light color ink fade, discoloration is very serious. The actual PET box printing in the ink, should try to choose good light resistance ink; at the same time in the deployment of ink should also consider the consistency of light resistance between several colors of ink. The same is the blue ink, phthalocyanine blue than light lake blue, peacock blue light, not easy to change color. If you add a little white ink, the color will be more vivid. If you use peacock blue and chrome yellow ink, it will fade, change color and yellow over time.

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2021-07-16

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