What are the classifications of aluminum foil bags?

Aluminum foil bags are made of multiple plastic films and then made by bag making machines. They usually include materials such as polyethylene (PE), nylon (NY) and aluminum foil (AL), and have the characteristics of moisture-proof, anti-oxidation, anti-corrosion and sun-proof.

 Classification

Aluminum foil bags can be divided into many types according to their uses and functions:

1. Expansion bottom bag: There is expansion space at the bottom, which can accommodate more items. It is often used to package large-capacity food or cosmetics to prevent the goods from being squeezed and damaged during the packaging process.

2. Flat bottom bag: The bottom is flat, suitable for packaging solid products such as candy, dried fruits, nuts, etc., to maintain the shape and integrity of the product.

3. Three-dimensional bag: Suitable for packaging irregular-shaped products such as medicines, cosmetics, etc., effectively protecting the product from squeezing and deformation.

4. Sealing bag: It can be sealed by a sealing machine, has good sealing performance, and prevents the product from moisture and contamination.

5. Vacuum bag: It can be vacuum packaged, and the air in the bag is extracted by a vacuum pump to extend the shelf life of the product. It is often used to package perishable foods such as meat, seafood, and dairy products.

6. High temperature bag: It can withstand high temperatures and is usually used to package microwave foods, quick-frozen foods, etc. It is convenient and practical.

In addition, there are self-supporting aluminum foil bags, three-side sealed aluminum foil bags, four-side sealed aluminum foil bags, special-shaped aluminum foil bags, etc., which are classified according to shape and sealing method.