How to deal with air leakage in vacuum packaging bags

source:other news release time:2022-10-08 Hits:

　　When using vacuum packaging, the vacuum packaging bag will be left for a period of time after being evacuated, and the vacuum bag will leak air, causing quality problems. Now, Qiji Packaging will take you further to solve the problem of air leakage. As long as these links are handled well, similar problems will not occur.

　　1. Find a strong vacuum bag supplier and ask the supplier to provide material reports and ingredients to achieve qualified quality.

　　 2. The vacuum bag manufacturer should clearly stipulate that the supplier shall not use any recycled materials, otherwise trachoma will appear on the film surface, resulting in chronic air leakage.

　　 3. Manufacturers should also consider their own vacuuming equipment. Now the sealing edge of the vacuuming machine is 10CM wide. Some manufacturers still have old equipment, and the sealing is 5CM.

　　4. Adjust the heat sealing time when sealing, generally 1-3 seconds, cooling time, generally 5 seconds, and the vacuum time should be determined according to the actual product and the size of the vacuum bag. Vacuum switch machine 5-15 seconds. The seal must be flat and not wrinkled. The machine temperature should be constant.

　　 5. When the device is put into the box, and when it is transported (especially when it is shipped), it should be handled with care to avoid damage.

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