Inspection standard for food packaging bags
In the soft packaging industry, the quality of food packaging bags, especially the hygiene quality, is directly related to the food safety of the packaging. 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 of 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 the management, so as to ensure the healthy development of soft packaging industry.
The inspection items of food packaging single film bags are mainly divided into the following categories:
The appearance shall be free of defects such as bubbles, perforations, water lines, exposed tendons, poor plasticization, fish eye rigidity, etc. which may hinder the use.
The deviation of specification, width, length and thickness shall be within the specified range.
Physical and mechanical properties include tensile strength and elongation at break, which reflect the ability of the product to stretch with the use process. If this item is unqualified, the food packaging bag is easy to crack and damage in the use process.