The stretching film gives insight of good quality of barrier against external factors, including dust, moisture, and UV light. In addition, its static property allows for a smug fit;bags wrap tightly around packets that will not, however slowly undo. Such tautness is important for keeping products fresh or else pathogens may contaminate them during the process of rendering old and new foodstuffs together into power.;(The squeezing action required in the food industry often involves tumbling leftovers back onto dishes to reheat them.) This protective membrane prolongs the freshness of products and reduces chances for damage during operation or transportation-great news to today 's manufacturers.
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