Aluminum foil bags are usually used for packing meat and cooked food. If the aluminum foil bag leaks, it will affect the food which is packed in the foil bag, which can not guarantee the storage and shelf life of the food. Aluminum foil bag leak is generally not caused by man-made, but due to improper operation of the production process or lax.
If the shape of aluminum foil bags irregularities, will be subject to asymmetry from the outside extrusion and damage, so, such foil bags easy to leak.
If the material thickness is uneven, external force is uneven, the aluminumfoil bags are easy to be damaged, caused leaks.
For vacuum aluminum foil bags, the vacuumizing is too excessive, will also cause the foil substrate film damage.
In the production, if stretching is improper, there will be holes, resulting in leaks.
Aluminum foil bag film is intolerant folding, if the foil bags is folded too long and squeezed, can also cause leakage.