PET plastic box production process:

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 plastic 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. The most taboo color differences, ink dots, and fading affect the aesthetic disadvantages. .

4, PET plastic 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 plastic 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 plastic box lamination: usually printed products are first film and then beer, but the plastic box is the first beer and then the film, the first is to avoid flower packaging, the second is the plastic box is exquisite overall beauty, plastic box film material It must be handmade to achieve a certain aesthetic appearance.

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