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What material is usually used for food packaging bags?

by:Supouches Packaging     2022-07-12
Material: Food packaging bags are generally made of PET film, PE film, PA film, OPP film and CPP film. Features: PET film: This film is super transparent, hard material, high temperature resistance, good printing effect, and is more suitable for food packaging bags. . PE film: The transparency is slightly inferior to cpp, but it is softer than cpp. PE film has better tensile properties and better breaking force. There are two kinds of milky white PE and transparent PE (HDPE/LDPE/LLDPE), which are soft to the touch. PA film (nylon): PA material is tough, with good transparency, wear resistance and puncture resistance, easy to be oxidized, easy to shrink and wrinkle, this material is suitable for similar bone products. OPP film: The material is hard and cannot be stretched. The heat-sealing type is very good, but the transparency is relatively general, the material is brittle, and the hand feel is poor. CPP film: CPP material is less transparent than OPP but better than PE. The material is soft and resistant to high temperature. It can be used as a printing material, but it is not easy to print.
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