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Causes of Air Leakage in Aluminum Foil Bags

Apr 18, 2023

Aluminum foil bag is a kind of packaging product that integrates various packaging advantages. It has low cost and exquisite printing. High temperature, low temperature resistance, oil resistance, softness and other characteristics. It is suitable for packaging of various circuit boards, electronic products, precision machinery parts, consumer goods, industrial products, etc. For example: PC boards, IC integrated circuits, electronic components, SMT patches for various LED industries, light bar packaging, precision hardware, auto parts and other packaging.


When we hand over the produced aluminum foil bag products to customers, in the later after-sales, we have encountered customer feedback, how can the aluminum foil bag leak and cannot be used after the product is installed? what is the reason? Of course, in the production process, we cannot ensure zero error, so when the aluminum foil bag leaks, we should analyze the cause. Generally speaking, what causes the aluminum foil bag to leak?
1. From the appearance point of view, if the aluminum foil bag is irregular in shape, it may be caused by air leakage and damage due to external extrusion. If the thickness of the entire aluminum foil bag is uneven, the bearing capacity may also be different.
2. Of course, in the production process, if the stretching is uneven, air leakage will also occur.
3. In the process of food packaging, if the packaging is improper, air leakage will also occur, mainly in:
(1) When the aluminum foil bag is vacuumed excessively, it may cause damage to the aluminum foil bag.
(2) After packaging the product, if the seal is not sealed properly, it will also cause air leakage.
So in the packaging process, we also need to be careful not to damage the aluminum foil bag.

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