
The food businesses will buy a large number of food packaging bags. The
correct and appropriate plastic bags will better maintain food safety, while
making the packaging beautiful and attracting consumers. However, there are many
varieties of plastic food packaging bags, and there are also many raw materials
used to make plastic food packaging bags. Therefore, in order to ensure the
safety of food, it is necessary to be strict in the inspection. The following
food packaging bag manufacturers will tell us what the requirements are for the
inspection of food packaging bags?
1、 Single film food packaging bags shall be inspected to ensure that the
appearance is free of defects such as bubbles, perforations, water lines, broken
tendons, poor plasticization, fish eye stiffness, etc. that may hinder the use.
The deviation of specification, width, length and thickness shall be within the
regular range. The physical and mechanical properties include tensile strength
and cracking elongation, which reflect the ability of the product to stretch
with the application process. If this item is unqualified, the food packaging
bag is easy to crack and damage during the application process.
2、 The plastic food packaging bags with composite film shall reach the
following requirements during inspection: the appearance shall be flat without
scratches, burns, bubbles, oil breaks and wrinkles, and the heat seal shall be
flat without false seal. The film shall be free of cracks, pores and separation
of composite layers. No contamination such as impurities, foreign matters and
oil stains. Moreover, the bag containing soaking solution shall be free of
peculiar smell, odor, turbidity and discoloration.
When plastic packaging bags are used to package food, the requirements are
very strict, they must be non-toxic and harmless, conform to the rules of
national laws and regulations, and conform to the corresponding mandatory
standards, but the packaging must have clear signs: trademark, consent mark,
place of origin, factory address, enterprise name, production date, main
components of the product, etc.
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