How to deal with air leakage in plastic packaging bags?

Now custom-made plastic packaging bags are more popular, we can use them to preserve food, but we find that it is time to test them, and we will find that there is air leakage, how should we deal with it? In fact, we are manufacturing products At the same time, it is not allowed to add any recycled materials to the manufacturing materials, which will cause trachoma on the surface of the product, which will cause chronic air leakage. Secondly, before customizing the product, you need to inquire from various parties, so that you know the manufacturers with better strength, so you will not worry about product quality problems. Before choosing materials, you need to buy products that have passed the national inspection. When sealing, it is necessary to adjust the heat sealing time, generally 1-3 seconds, the cooling time, generally 5 seconds, and the vacuum time should be determined according to the actual product and the size of the plastic packaging bag, usually within 10-25 seconds of the inner vacuum machine. time, the external vacuum switch machine is usually between 5-15 seconds. The seal must be placed flat and not wrinkled.
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