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How to solve the problem of ink drop in film printing?

When the ink becomes thick, viscous, and difficult to ink, many operators will use the method of adding varnish to increase the fluidity of the ink. However, once the varnish is added too much, it is easy to cause ink drop. Generally speaking, the addition ratio of varnish is 3% to 5%. If it exceeds this range, it needs to be added carefully. China YLTpacking packaging flexible packaging

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