How to check the color difference of luminous ink
In the gravure printing process, the color of the luminous ink (Glow in the dark ink) often has a deviation problem, which affects the appearance of the finished product. So, today let us summarize five reasons for your reference. 1. The amount of ink is inconsistent. That is to say, the amount of luminous ink in the ink tank of the printing machine is different, which also causes the viscos...
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