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YLTpacking packaging: how to self-check whether the eight-side sealing bag is qualified?

The quality of a packaging bag directly affects the quality of food. Eight-side sealing bags are no exception. How do you choose a suitable packaging bag is a difficult problem for many food manufacturers. How to distinguish whether the eight-side sealing bag is adulterated with old materials? Today, the YLTpacking packaging editor will share with you how to distinguish whether the eight-side sealing food packaging bag is adulterated with old materials? When food manufacturers purchase or order packaging bags, they often require merchants and manufacturers to indicate whether the materials used to produce these food packaging bags are new. In order to save costs, some food manufacturers often take the initiative to require manufacturers to use old materials to produce packaging bags. In order to ensure the safety of food and improve the grade of products, regular large-scale food manufacturers generally require manufacturers to use new materials to produce packaging bags. Some unscrupulous manufacturers may chase a little profit, deceive customers, and use materials mixed with some old materials to produce packaging bags. These bags look very different from those produced from virgin material. However, even if the appearance looks similar, we still have a way to tell the difference. One: touch with hands. The packaging bags produced with new materials are smooth, relatively soft and have strong toughness; while the packaging bags produced with old materials have a grainy, dry and rough surface to the touch, often hard to the touch, poor toughness, and easy to break; 2: Look with your eyes. The color of the packaging bags produced with new materials is clear and free of impurities; while the packaging bags produced with old materials tend to be a little dark in color, and the light transmittance is also relatively poor; 3: Smell with your nose. The packaging bags produced with new materials may smell a little gluey, but not unpleasant; while the packaging bags produced with old materials often have a pungent unpleasant odor. With the above methods, we can distinguish whether most of the packaging bags are adulterated with old materials. If you want to know more about eight-side sealing bags, you can visit http://www.yltpacking.com

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