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In the production, due to improper quality control, the surface of the corrugated carton after forming has been discolored, and even old customers have been lost! Based on this situation, we can actually formulate an effective process remedy:
The specific method is: if the carton is blue, according to the characteristics of the blue layout 10cm × 50cm, use a 11cm wide brush with soft characteristics, dipped in abrasion-resistant water-based varnish along the blue layout evenly Brush twice, so that the printing color plate is covered with a layer of water-based varnish, which can better protect the printing ink layer.
In the rework process, it should be noted that the carton coated with varnish should be placed upright to dry to avoid sticking. In the carton after partial glaze coating, the abrasion resistance of the ink layer of the printing plate surface is greatly improved, and the disadvantage of easy discoloration no longer occurs, and economic losses are better avoided.
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Hun Yuan Ya Lian Wan Jia Dian Zi Shang Wu You Xian Ze Ren Gong Si , https://www.ylwjastragalus.com