How to distinguish food self-supporting zipper bag closure unqualified?
There are more and more self-supporting zipper bags for food bags, which also bring many problems to the environment. Unqualified self-supporting zipper bags will cause environmental pollution. How to distinguish unqualified zipper bags can reduce environmental pollution from four aspects.
First, look at the appearance
The appearance of qualified food self-supporting zipper bag is free from defects such as bubble and perforation. And the deviation of width and length is within a certain range. If it exceeds or has defects, it is unqualified.
Second, good performance
It is qualified to bear a certain degree of tension during the use, and the interruption in the process is not qualified.
Third, look at hygiene
Unqualified can be checked for heavy metals, residues are harmful to human health, such as substances, residues will affect the quality of food at the same time, this bag is often a great harm to the human body. Qualified food self-supporting zipper bag is often hygienic, which ensures the quality of food.
Fourth, look at the degradation characteristics
According to the types of degradation, they can be divided into light, biology and environment. It can respond to the environmental impact of discarded bags, which can be decomposed by light and other organisms. This is a qualified food packaging bag must have, unqualified can not easily decompose into pollution.
The qualification of food packaging is very important to the environment and food, which can be distinguished from four aspects.
Dongguan self supporting zipper bag small knitting: LLF
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