Production process of PET box:

1. Plastic box platemaking: CTP platemaking is commonly used in plastic box platemaking.

2. Plastic box selection materials: Generally, plastic box packaging is made of PET, PVC, PP and other materials. The thickness of PVC and PET is usually 0.10-0.0.55. PP can be as thick as 0.75MM because the material is too thick. The plastic box came out too rigid, and the appearance also looked dull.

3. PET box printing: the outside of the plastic box will not be printed, at most it is only silk screen. Because the plastic box is an outer packaging box, the printing requires high craftsmanship, and the most taboo are color differences, ink dots, and fade. These disadvantages affect aesthetics.

4, PET box surface treatment: plastic box packaging usually requires surface treatment, the common ones are over-gloss glue, over-dumb glue, over-uv, over-varnish, over-dumb oil. This is what we call offset printing.

5. PET box beer (die cutting): Beer is a relatively important part of the printing process. If you want beer to be accurate, you must use a knife mold to make it accurate. If the beer is not accurate, the beer is biased, and the beer continues to seriously affect the subsequent processing.

6, PET box lamination: usually printed products are filmed before beer, but the plastic box is the first beer after the film, the first is afraid of flower packaging, the second is the plastic box pay attention to the overall beauty, plastic box film material must be It is handmade, which can achieve a certain beauty.

7, PET box sticky box: after laminating machine, need to go through the box sticking process (auto sticky box, manual sticky box), PET box sticky box needs to pay attention to the choice of glue, different materials require different types of glue.