Nowadays, food packaging bags
are a necessities of life, and even ordinary people should know something about them. What I want to introduce to you today is the inspection standard of food packaging bag
s. The QS mark is the food quality and safety market access mark, that is, the food production license mark, and the QS mark belongs to the quality mark. The use of the QS mark on the food produced by the enterprise indicates that the enterprise promises that its products have passed the inspection and meet the basic requirements of food quality and safety. The food that implements the food quality and safety market standard system must be printed (affixed) with the QS mark on its packaging or label before leaving the factory. Without the QS mark, it shall not be sold. At present, my country has implemented the food quality and safety market access system in three batches with a total of 28 types of food. The quality of food packaging bags in the flexible packaging industry, especially the hygienic quality, is directly related to the safety of the packaged food. Therefore, it is necessary to ensure that the raw materials and additives used meet the quality requirements of the management system. It is necessary to improve the industry and national standards for packaging film bags and strictly implement them, strengthen the inspection and supervision of food packaging, prevent unqualified food packaging from entering the market, and strengthen management to ensure the healthy development of the flexible packaging industry. The inspection items of the food packaging single film bag are mainly divided into the following categories: 1. The appearance must not have any defects such as air bubbles, perforations, water marks, violent tendons, poor plasticization, and fish-eye stiffness that are hindering the use. 2. The specification, width, length and thickness deviation should be within the specified range. 3. The physical and mechanical properties include tensile strength and elongation at break, which reflect the ability of the product to stretch during use. If this item is unqualified, the food packaging bag is prone to rupture and damage during use.
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