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The production process of plastic packaging bags

March 23, 2022

info@haoxiang2005.com

The production process of plastic packaging bags

As a very large consumer product, the use of plastic packaging bags provides great convenience to people’s daily life. Whether it is to go to the market to buy food, to go shopping in the supermarket, or to buy clothes or shoes, it is inseparable from its use. Although the use of plastic packaging bags is very extensive, many friends do not know anything about its production process. So do you know what the production process of plastic packaging bags is? Let me introduce to you.

  1. Raw materials

Select the raw material of the plastic packaging bag and determine the material used.

  1. Printing

Printing refers to making the text and pattern on the original into a printing plate, coating the surface of the printing plate with ink, and transferring the graphics and text on the printing plate to the surface of the material to be printed by pressure, so as to accurately and massively copy the original. The same print. Under normal circumstances, printing is mainly divided into surface printing and inner printing.

  1. Compound

The basic principle of plastic composite flexible packaging: each material has different advantages and disadvantages, and the technology of bonding two or more layers of materials together through a medium (such as glue) to make packaging films and bags achieve better performance. This technology is called “composite process” in the production process.

  1. Maturation

The purpose of curing is to speed up the curing of the glue between the materials.

  1. Slitting

Divide the printed and compounded materials into specifications required by customers.

  1. Bag making

The printed, compounded, and slitted materials are made into various bags required by customers. A variety of bag types can be made: middle sealing bag, side sealing bag, stand-up bag, flat bottom bag, four-side sealing bag, zipper bag, etc.

  1. Quality control

The quality control of plastic packaging bags mainly includes three aspects: inspection of raw materials before storage, an online inspection of products, and inspection of products before shipment.

The content described above is the production process of plastic packaging bags. Hope it helps you.

Production process
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