Plastic packaging bags are used as a very large consumer product, and its use provides great convenience to people’s daily life. It is inseparable from its use, whether it is going to the market to buy food, shopping in the supermarket, or buying clothes and shoes. Although the use of plastic packaging bags is very extensive, many of my friends are ignorant of its production process. So do you know what the production process of plastic packaging bags is? Below, Pindali editor will introduce you:
Plastic packaging bag production process:
1. Raw materials
Choose the raw materials of plastic packaging bags and determine the materials used.
2. Printing
Printing refers to making the text and patterns on the manuscript into a printing plate, coating ink on the surface of the printing plate, and transferring the graphics and text on the printing plate to the surface of the material to be printed by pressure, so that it can be copied and copied accurately and in large quantities. The same printed matter. Under normal circumstances, printing is mainly divided into surface printing and internal printing.
3. Compound
The basic principle of plastic composite flexible packaging: Each material has different advantages and disadvantages. It is a technology to bond two or more layers of materials together through a medium (such as glue) to achieve better performance of packaging films and bags. This technology is called “composite process” in the production process.
4. Maturation
The purpose of curing is to speed up the curing of the glue between the materials.
5. Slitting
Cut the printed and composite materials into specifications required by customers.
6. Bag making
The printed, compounded, and cut materials are made into various bags required by customers. Various bag types can be made: middle-sealed bags, side-sealed bags, stand-up bags, K-shaped bags, R bags, four-side-sealed bags, and zipper bags.
7. Quality control
The quality control of plastic packaging bags mainly includes three aspects: inspection of raw materials before storage, online inspection of products, and quality inspection of products before shipment.
The content introduced above is the production process of plastic packaging bags. However, due to the difference of each plastic packaging bag manufacturer, the production process may also be different. Therefore, the actual manufacturer should prevail.
Post time: Dec-17-2021