The quality of food packaging bags in the soft packaging industry, especially the hygienic quality, is directly related to the food safety, so it is necessary to ensure that the raw materials and additives used are in accordance with the quality requirements of the management system.
To improve the packaging industry and national standards and strict implementation of food packaging to strengthen the inspection and supervision, to prevent unqualified food packaging into the market, strengthen management, to ensure the healthy development of the soft packaging sector.
Food Packaging single film bag inspection items are divided into the following major categories:
The appearance must not have the use of the air bubbles, perforation, watermark, storm tendons, plastic bad, fish eyes stiff block and other defects.
The specification, width, length and thickness deviation should be within the prescribed range.
Physical and mechanical properties including tensile strength, breaking elongation rate, it is reflected in the use of the product in the process of tensile capacity, if this is not qualified, in the use of food packaging bags prone to rupture, damage phenomenon.