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What are the technologies of paper bag printing?

Author: Fanny Zeng
by Fanny Zeng
Posted: May 22, 2022

The paper bag printing industry is now highly competitive. From customer orders to technological innovations to sales prices, many Chinese printers trying to win the market. Often, those companies that master core technologies have the upper hand. So, what are the core technologies of paper bag printing? Offset printing inline cold stamping technology; web foil stamping technology; combined printing technology are among them.

In the past, traditional hot stamping required a special metal hot stamping plate, and the required hot stamping material was transferred to the surface of the printing material by heating and pressing. Today, the offset printing on-line cold stamping technology mainly used in paper bag printing is to paste the graphics and text that need to be stamped on the surface of the substrate through an adhesive under normal temperature conditions. The realization method is to directly use the two units of the original offset printing machine, one set of printing glue layer and one set of transfer metal hot stamping foil. Its advantages are fast hot stamping speed and high efficiency; printing and metal foil transfer digital printing are completed in one paper pass, with high registration accuracy; It is carried out at room temperature without heating, and can be hot stamped on the surface of temperature-sensitive materials; energy saving.

As for the web hot stamping technology for paper bag printing, many book printing companies have been able to maturely apply it, and will achieve greater development with the market demand for high-efficiency, high-quality hot stamping jobs. Nowadays, some customers have large order batches, high requirements on bronzing process and short delivery time, and these can be solved by the technology of web bronzing.

Finally, there is the combined printing technology of paper bag printing. In a sense, the combined printing machine is no longer just a printing equipment, but a flow-type production line integrating a variety of printing and post-press processing technologies. Combination printing is the combination of multiple printing process technologies, that is, integrating multiple printing methods (such as flexo printing, offset printing, gravure printing, screen printing inkjet printing, and even digital printing) and post-press processing technology ( Such as glazing, lamination, die-cutting, indentation, hot stamping, embossing, etc.), combine the advantages of various printing and post-press processing methods, learn from each other, and obtain the best printing effect. This is also one of the mainstream technologies on the production line of large-scale professional paper bag printing plants.

If you also need cheap printed paper bags service, please do not hesitate to contact us, we can provide you with best printing solutions in time.

About the Author

China Seven Color Group Co. Ltd. Xuancai Print is a professional manufacturer of various types of packaging and printing products, including color paper boxes, paper bags, instructional manuals, catalogs printing, book printing,packaging boxes, cards

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Author: Fanny Zeng

Fanny Zeng

Member since: May 19, 2022
Published articles: 47

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