Nowadays, food packaging bags are a necessity of life, even for ordinary people, we should know about them. What I want to introduce to you today is the inspection standard of food packaging bags. QSThe logo is the food quality and safety market access symbol, that is, the food production license symbol,QSThe logo is a mark of quality. Enterprises use it on the food they produceQSThe mark indicates that the enterprise promises that its products have passed the inspection and meet the basic requirements of food quality and safety. Food that implements the food quality and safety market standard system must be printed (posted) on its packaging or labels before leaving the factory.QSlogo, noQSmark, shall not be sold at the factory. At present, there have been three batches of food that have implemented the food quality and safety market access system in my country.28class 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, so 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 food packaging single film bags are mainly divided into the following categories: 1The appearance must not have defects such as air bubbles, perforations, water marks, violent tendons, poor plasticization, and fish-eye stiffness that are harmful to use. 2, Specifications, width, length, and thickness deviations should all be within the specified range. 31. Physical and mechanical properties include tensile strength and elongation at break, which reflect the ability of the product to be stretched during use. If this item is unqualified, the food packaging bag is prone to rupture and damage during use.