Several points to note when customizing food refrigerated packaging bags

December 13, 2022

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Three-dimensional bag manufacturers tell you that when choosing packaging materials for food refrigerated packaging bags, we must first study the main components that affect refrigerated food, especially the impactSensitive factors of fat, protein, vitamins and other nutrients, including light, oxygen, temperature, microorganisms andInfluencing factors of physics and mechanics. Then, according to the protection requirements of the food content, transportation environment, etc., determine the type of food refrigerated packaging bags and the operation mode of packaging technology,In order to achieve the protection function and properly prolong the storage period. 1, hygienicCong AnFrom the perspective of safety, packaging materials that are in direct contact with food, such as plastic packaging bags, must reach the level of foodclass. Due to the packaging and transportation process of refrigerated food, it is often difficult to ensure that the whole process is in a consistent low temperature environment, especially during the transfer and handling process, which may cause the temperature of refrigerated food to rise sharply for a period of time. Easy to breed bacteria. Packaging made of recycled or industrial grade materials is visually compatible with foodThere is not much difference in the packaging made of high-grade materials, but because it contains excessive plasticizers and other substances, once used, it will cause great harm to human health.2,cold resistanceRefrigerated foods are usually-18℃ or lower temperature storage and circulation, especially some refrigerated foods with trays, food and trays are usually placed together in the production process-30Under the condition of below ℃, the temperature is rapidly lowered until the product isheart temperature at-18℃ below, and then packaged. In the case of a sudden drop in temperature, the mechanical strength of the packaging material also decreases, making the packaging material fragile. Moreover, during the transfer and transportation of refrigerated food, it will inevitably suffer fromShock, vibration, pressure and other environmental hazards. In addition, frozen foods such as glutinous rice balls and dumplings have a hard texture at low temperatures. It is easy to cause the packaging bag to break and crack. This requires good low temperature performance of packaging materials. 3, impact resistanceRefrigerated food is easily damaged by external forces during transportation, loading and unloading, and shelf placement. When the impact resistance of the packaging bag is poor, it is easy to break the bag and open the bag, which not only affects the appearance of the packaged product, but also makes the food inside polluted. The equipment packaging bag manufacturer tells you that the impact resistance of food refrigerated packaging bags can be determined by the pendulum impact test.

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