Reasons for aging of liquid packaging bags.flexible packaging pouches

Liquid packaging bags have the characteristics of high strength, impact resistance, burst resistance, good barrier, good rigidity, standing upright, stress cracking resistance, and good sealing, making them widely used. It can be said that many places around us now have this type of packaging bag. During use, some friends found that the liquid packaging bag in their hands has aged. What are the reasons for the aging of this type of bag? Let's take a look together.

In fact, the major factor causing the aging of liquid packaging bags is ultraviolet radiation, as liquid packaging bags are particularly sensitive to ultraviolet radiation. Therefore, it is necessary to consider this issue in any use of liquid packaging bags. For indoor or outdoor liquid packaging bags, it is necessary to consider light stability. When exposed outdoors, liquid packaging bags that have not been stabilized by light lose their luster, crack their surface, lose their bright colors, and their mechanical properties decrease. Of course, it takes a long time to develop.

Because the intensity of ultraviolet light changes with the season, the photo oxidation degradation of packaging bags is closely related to the season. Liquid packaging bags have a usage cycle, and with the addition of usage time, the aging degree of liquid packaging bags will also deepen. As long as natural aging is controlled within the usage cycle of the packaging bag, there will be no impact on the reliable use of liquid packaging bags. We all know that liquid packaging bags are sensitive to ultraviolet radiation, and summer ultraviolet radiation is very satisfying. Therefore, in summer, it is important to prevent packaging bags from being exposed to sunlight, as exposure to sunlight can accelerate the aging of packaging bags. Unreasonable use of packaging bags can greatly shorten the service life of packaging bags.

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