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why the paper bag needs film on the surface?

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why the paper bag needs film on the surface?

  • Mar 9, 2020
Laminated film refers to the use of transparent plastic film on the surface of the printed matter by hot pressing to protect and increase gloss. Laminating is a main process of post-press processing, which requires the surface to be clean, flat, not fuzzy, wrinkle-free, and non-foaming.
After the paper bag is covered with a film, the paper bag can be protected from wear and tear, and the printed pattern can be more bright and not easily damaged, thereby extending the service life of the handbag. At the same time, plastic films can also protect against moisture, water, dirt, abrasion, folding, and chemical corrosion.
The effects caused by different lamination processes are also different. If it is a sub-lamination, the color of the paper bag will be darker than the front of the lamination, which is more stable and elegant, and the bright film will look more bright and bright.

The lamination process has been widely used in the printing industry. Common lamination packaging products include paper cartons, paper shoping bag, stickers, etc.

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