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Food safety requirements for plastic packaging

Release time:2018-04-26

The main function of food plastic packaging is to protect food and make it easy to carry, transport and preserve. It is closely related to people's health. Therefore, in order to prevent food pollution and deterioration, not only is the food packaging beautiful and practical, but more important is to improve the quality of food in order to ensure the safety of food, which undoubtedly puts forward higher requirements for the food plastic packaging products.

The plastic packaging for food must have proper barrier property, such as high oxygen resistance and oil resistance, high moisture resistance, high resistance to aromatic food, and fresh food of fruit and vegetable, and the air permeability of oxygen, carbon dioxide and water vapor.

At the same time, food plastic packaging also has good mechanical properties, including the tensile strength of the material, tearing resistance, the degree of impact resistance, and good chemical stability, should not have any chemical reaction with the internal food, to ensure the safety of food. In addition, plastic food packaging also has higher temperature resistance, which is suitable for high temperature sterilization and low temperature storage of food.

At present, in many food packaging materials, plastic products and composite packaging materials occupy a pivotal position, but because of the defects of the plastic materials, such as environmental pollution, their temperature resistance and barrier are generally not as good as those of metal and glass.

Therefore, the fast developing food industry has put forward new topics to the chemical industry, especially the plastic products industry, which is to improve the existing plastic properties, develop new varieties, improve their strength and barrier property, and reduce the amount of heavy walls, and also make it easier to reuse, classify and recycle in order to protect the environment.

According to Professor Lei Jingxin, an authoritative expert in the field of polymer materials in China, more than 90% PVC soft products in China are still using traditional phthalic acid esters as plasticizers. If they do not completely change the status of PVC plastic products, the emergence of "plasticizer event", and even beer, beverage, moon cake, and all kinds of food sauce like sauce The emergence of excessive toxic substances such as oil, vinegar, medical infusion sets and transfusion bags is not accidental, but inevitable.

It is precisely because the abuse of o-benzene plasticizer has made it almost impossible for us to find "clean, non-toxic" plastic products in our lives. This is not alarmist.

Professor Lei Jingxin said that the production of non-toxic PVC plastic products is actually not difficult. Nontoxic PVC resin with non-toxic environment-friendly plasticizer, calcium zinc stabilizer and other non-toxic processing aids can completely produce non-toxic PVC plastic products.

Food industry is a sunrise industry in twenty-first Century, but with the increasing quality of people's life and the increasing attention to health consumption, the quality and safety of food will be higher, and the field of food packaging materials will also usher in a huge development space and development potential.

Yangjiang Xi Ying Packing Products Co., Ltd.

Contacts:Mr.Li Mobile:13411199509 Address:Jinjiao North Road G3-5, Jiangcheng District, Yangjiang  

Main products: produce all kinds of beverage cans, tea cans, food cans, tea covers, easy tear covers, easy pull covers and sealing equipment.  POWER BY:Xibai