As we all know, plastic packaging bags are generally printed on a variety of plastic films, and then combined with barrier layer and heat seal layer into a composite film, after cutting, bag forming packaging products. Among them, plastic packaging bag printing is an essential process in the production process. Therefore, understanding and controlling the printing method becomes the key to bag quality. So what are the printing methods of plastic packaging bags?
Printing method of plastic bag:
1. Gravure printing:
Intaglio printing mainly prints plastic film, used to make a variety of plastic bags, etc.
2. Letterpress printing:
Relief printing is mainly flexographic printing, widely used in all kinds of plastic bags, composite bags and plastic bags printing.
3. Screen printing:
Screen printing is mainly used for plastic film printing and a variety of containers that have been formed, and can also be printed transfer materials for the transfer of images on special shape containers.
4. Special printing:
Special printing of plastic packaging bags refers to other printing methods different from traditional printing, including inkjet printing, gold and silver ink printing, bar code printing, liquid crystal printing, magnetic printing, pearlite printing, hot stamping electrochemical aluminum printing, etc.
What are the printing methods of plastic packaging bags? Today, Pingdali Xiaobian will introduce you here. Different plastic packaging bag printing methods, printing effect is not the same, therefore, you can choose the right printing method according to the actual situation.
Post time: Jan-12-2023