It might look like heavy-duty cling film, but the stretch film is actually one of the most versatile, efficient and cost-effective weapons in your packaging arsenal.Designed to adhere to itself without the use of glues or staples, stretch film has a high coefficient of friction. To put this in simpler terms, once it’s wrapped over itself under pressure, it effectively holds itself in place.http://www.cnxinmingyu.com/pe-film/
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