Packaging materials refer to the materials used to manufacture packaging containers, packaging decoration, packaging printing, packaging and transportation to meet the requirements of product packaging. They include metal, plastics, glass, ceramics, paper, bamboo, wild mushrooms, natural fibers, chemical fibers, composite materials and other major packaging materials, as well as straps. Auxiliary materials such as decoration and printing materials. Packaging materials play an important role in the whole packaging industry, which is the basis of developing packaging technology, improving packaging quality and reducing packaging costs.
Therefore, it is of great significance to understand the performance, application range and development trend of packaging materials, to select packaging materials rationally, to expand the source of packaging materials, to adopt new packaging and processing technologies, to create new packaging and packaging technologies, and to improve the packaging technology and management level.