Why do cardboard jewelry pouches need plastic wrap?

Commonly used materials for paper bags are white cardboard, kraft paper, coated paper, specialty paper, etc. When making handbags, merchants usually print patterns and advertising slogans on paper bags and then use film covering technology. Only after the film is coated, can the pattern on the paper bag last longer and the paper bag will be more durable.

cardboard jewelry pouches

Laminating refers to the role of transparent plastic film on the surface of printed matter by hot pressing to protect and increase gloss. Laminating is the main process for post-press processing. It requires the surface to be clean, smooth, unambiguous, without wrinkles and bubbles.

After the film is coated, the bag can protect the paper bag from wear and tear, make the printing pattern more bright and not easy to be damaged, thus extending the service life of the handbag. At the same time, the plastic film can also play the role of moisture-proof, waterproof, antifouling, wear resistance, folding resistance, chemical corrosion protection.

cardboard jewelry pouches

The effect of the different laminating process is different. If it is covered with sub membrane, the color of the paper bag will be darker and more stable and elegant than that before the plastic film.

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