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What should be paid attention to when printing food packaging bag materials?

What should be paid attention to when printing food packaging bags? Below byYLTpackingThe editor will take you to explain the issues that should be paid attention to when printing eight-side sealing bags.Let’s first introduce the materials used for eight-side sealing bags——PETMaterial;PETThe material film has good operability and ink adhesion, no static electricity, and is not easy to absorb dust. , PTThe main points to pay attention to when printing materials; 1,food packaging bagPTThe material is easy to absorb moisture, and the elongation rate will increase after moisture absorption, and it is easy to produce wrinkles or slack, which will affect the quality of printed graphics. In addition, there will be a decrease in ink adhesion, so it is necessary to pay great attention to the control of the ambient temperature for storage and printing; 2, food packaging bagsPTThe tear resistance of the material is a problem, so be very careful when printing. If there is a crack on the edge, it is very easy to tear along the crack. It is necessary to prevent the edge from cracking during cutting and printing. 3, food packaging bagsPTMaterialIt also shrinks when dry, loses strength or becomes brittle. Therefore, the drying temperature should not be too high. In addition, pay attention to tension control to prevent stretch deformation and wrinkles.More bag knowledge: www.yltpacking.comCustomized food packaging bags, first choice in ChinaYLTpackingPackage

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