With the development of The Times, stretch film has begun to be used in more and more industries, and stretch film makes our life or work more convenient. So what is a stretch film?
The tensile strength is high, the tearing strength is low, it is difficult to pull off by hand, but if there is a small mouth, it can be easily torn, which is simpler than tearing newspapers.
Vacuum bag, also known as vacuum packaging, is based on the principle of atmospheric pressure, the main role of the vacuum bag is to deoxygenate, in order to help prevent food spoilage.
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