Food packaging bags, it is a kind of packaging design, in order to facilitate the preservation of life, storage, resulting in product packaging bags. Food packaging bags are the direct contact with food, it is used to contain and protect the food container.
Food packaging bags should be used in the production of food grade plastic film, it is generally more than two layers of composite food packaging bags.
Food packaging bags according to the scope of its application can be divided into: ordinary food packaging bags, vacuum food packaging bags, inflatable food packaging bags, boiled food packaging bags, cooking food packaging bags and functional food packaging bags.
Food packaging bags can play an important role in reducing the risk of transport security. The packing bag can also avoid the food to other commodities. Food packaging can reduce food may have been eaten. Some food packaging is very strong and there are security labels, the role is to protect the interests of businesses from loss. The bag can have laser marking, special color, SMS authentication label. Other retailers to prevent theft, food packaging bag is attached with the electronic monitoring tag, consumers get outlets to degaussing.
Standard for inspection of food packaging bags
In the flexible packaging industry, the quality of food packaging bags, especially the health quality directly related to the packaging of food safety, so to ensure that the use of raw materials, additives to meet the quality requirements of the management system.
We must improve film packing bag industry and national standards and strictly enforced, strengthen supervision and inspection of food packaging, to prevent unqualified food packaging into the market, and strengthen the management, was able to guarantee the healthy development of the soft packaging industry.
Food packaging bags of the inspection project is mainly divided into the following categories:
There shall be no appearance on the use of hard bubbles, perforation, watermark, crack, plastic, stiff block on the bad fish.
Specifications, width, length and thickness deviation shall be within the specified range.
Physical and mechanical properties including tensile strength, elongation at break, it is to reflect the products in use process with the ability to stretch. If this is not qualified, in the use of food packaging bags prone to rupture and damage phenomenon.