Application of PET film in food packaging bags-film supplier

by:POLYVA     2021-11-16
Food-grade packaging material PET film characteristics Overall, food-grade packaging material PET film has high transparency, good strength, good insulation performance, and high barrier properties. In the application of food packaging bags, the main performances shown are as follows: First, the PET film has good printability, and the ink has good adhesion. In the overprinting process, the layering of the pattern is clear, and the ink color can be well presented. Secondly, its barrier properties are particularly good, and it can effectively prevent oxygen, organic gas, nitrogen, water vapor and other gases from penetrating the film. Then it has good strength and high stiffness, so that the surface of the package made is smoother. Finally, the new energy of PET is stable, and the temperature has little effect on it. However, the heat-sealability of PET film is poor and cannot be heat-sealed. Application of packaging material PET film in food packaging bags PET cannot be used as a single-layer food packaging bag because of its poor heat sealing performance. Some people therefore think that it cannot be in direct contact with food. This is a wrong view. Food-grade PET can directly come into contact with food. For example, many of our blister boxes, trays, and plastic bottles are made of PET. Therefore, food packaging bags made of PET are composite bags, which are mainly used as printing layer and barrier layer. When making self-standing, eight-side seal, four-side seal and other bag types, PET composite packaging materials, such as PET/NY/PE, are used. Its good strength and stiffness can make food packaging bags stand up better. There are also PET composites, such as PET/AL/PE, for food packaging bags such as vacuum, steaming, and freezing. Because PET film has good elongation and resistance to temperature, it will not deform under high temperature or low temperature environment, and maintain good barrier properties and flexibility. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service, and the spirit of assisting partners to achieve their own careers. Interested parties welcome to inquire!
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