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Puffed Food Packaging Should Pay Attention to Matters

Puffed snack food is a new type of food that appeared in the late 1960s. Because the structure of this kind of food is fluffy, the taste is crisp, sweet and has a certain nutritional value. It is very popular among people, especially children. Puffed snack foods have a special taste, so the requirements for external packaging are relatively high. As a Food Extruder Machine Supplier, the following are several important factors that affect the shelf life of puffed snack foods:

1. The barrier properties of the packaging materials are good or bad. The packaging form of puffed snack foods is relatively simple, and it is generally customary to use plastic composite pillow bags as packaging for products. There are many kinds of plastic composite packaging materials, and there are many kinds of composite combinations, including plastic-plastic composite, paper-plastic composite, aluminum-plastic composite.

Puff Snacks Extruder

2. The air content in the top of the bag. Puffed snack foods are fragile. In the process of production, transportation, and sales, the products should be protected from mechanical or external extrusion, and such foods are susceptible to moisture and oxidation. Therefore, puffed snack foods are generally filled with inert gas nitrogen.

3. The sealing performance of the package is good or bad. Puffed snack foods are products that are highly susceptible to moisture and oxidative deterioration. In addition to controlling the barrier properties of packaging materials, it is also necessary to ensure the sealing reliability of the entire package to avoid contamination and deterioration of the product due to leakage. The poor sealing performance is mainly due to the sealing part, so the focus of the sealing test should pay attention to whether the sealing part has leakage.

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