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To see the quality degree of suction bag from the observation of appearance uniformity

Pubdate:2020-05-16 15:41:46 Hits:2553

To see the quality degree of suction bag from the observation of appearance uniformity
First observe the stiffness of the suction bag. Generally, the higher the flatness, the better, except for the different needs of materials. For example, the bag made of nylon and high-pressure film, the heat sealing part of the suction bag will be wavy; it is also necessary to observe whether the cut edge of the bag is neat, the more neat the better.
Packaging material knowledge: improper selection of ink for the phenomenon of reverse adhesion in flexible packaging printing
Some printing factories often only pay attention to the price of ink, blindly choose low-cost ink to reduce costs, and neglect the printability of ink. If the ink used is not suitable for printing, it will often cause poor adhesion or poor drying of the ink, resulting in natural shedding of the ink after winding up or adhesion on the opposite side of the printed matter. Therefore, in the selection of ink to pay attention to the use of ink instructions to ensure that the performance of the selected ink in line with the printing requirements. In addition, when printing, the adhesion of the ink should be tested to ensure that the requirements can be met before batch printing. www.dgbpk.com/
Dongguan Beite packaging materials Co., Ltd
Dongguan special bag, plastic bag, plastic bag, plastic bag

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