Whether it is online shopping, gift packaging, outer packaging of clothes, and daily shopping, it is often inseparable from the use of food plastic packaging bags. Although the use of food plastic packaging bags is very convenient, with the external conditions such as sunlight, wind and rain, plastic packaging bags are also likely to age.

First, in the natural environment, that is, under the condition of direct sunlight, the strength of food plastic packaging bags will drop by about 25% after one week, and the strength will drop by about 40% after two weeks, so it is basically out of use. In other words, the storage of plastic bags is very important.

Second, the packaging bag should be placed in the open air. After packaging, it should be exposed to direct sunlight, and the strength will drop sharply. Avoid direct sunlight as much as possible.

Third, the excessive participation of recycled materials is also one of the reasons for the aging of plastic packaging bags.

Fourth, in the process of storage and transportation, if the temperature of the packaging bag is too high or it encounters rain, its strength will be reduced, which does not meet the quality requirements for the maintenance of the contents. Usually, high temperature and rain should be avoided.