Why are food packaging bags made of aluminum foil? What is the role of aluminum foil?

With the development of society, more and more food packaging bags on the market use aluminum foil materials, so why use it? Why can aluminum foil be used for food packaging bags? Customization Why are aluminum foil materials chosen for food packaging bags? Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will analyze this for you.

Food Packaging bag The aluminum foil used is a flattened metallic aluminum product that can be used for cooking, holding food, or making some easy-to-clean materials.

On the market Using Aluminum foil packaging The foods, are generally reheatable and storage-resistant. Most aluminum foil used for food processing has one shiny side and one matte side. For food use, The aluminum foil can wrap food on both sides, and it is usually recommended to wrap with the shiny side to enhance heat transfer frankness.

Why are aluminum foil materials used for food packaging bags? This is because metallic aluminum will be oxidized by oxygen, forming a dense Al2O3 oxide protective film on the metal surface, preventing oxygen from further oxidizing the metallic aluminum. Of course, packaging bags made of aluminum foil can effectively block external air from entering by utilizing this dense protective film Food packaging bag inside, to prevent food from being oxidized and spoiling transparent 。

On the other hand, aluminum foil has good ductility, excellent barrier properties, strong corrosion resistance, and good printability.

In Aluminum foil is used in food packaging bags due to its excellent barrier properties. Aluminum foil has extremely low oxygen permeability, effectively blocking gases in the air that can spoil food, such as oxygen. Furthermore, aluminum foil is opaque and has good light-blocking properties, preventing certain foods from discoloring or deteriorating due to light exposure. Aluminum foil itself has very poor corrosion resistance and is easily corroded by acidic or alkaline substances. transparent

Food packaging bags are not simply made of aluminum foil, but rather from composite materials. This composite material is formed by compounding aluminum foil with nylon, and some are made from four-layer co-extruded film. When packaging some foods, multi-layer composite materials are often used transparent

The reason for using multi-layer composite materials is for food packaging, to maintain food quality, and also because rich colors and patterns can be printed on the food packaging bags. This is also a way for food to gain market recognition, and it is a necessary channel for food promotion transparent

Dongguan Shunxingyuan Packaging Products Co., Ltd. is a professional flexible packaging manufacturer with advanced production equipment and over 19 years of experience in flexible packaging production. We possess strong R&D, design, and production capabilities, and our products are widely used in industries such as apparel, food, chemicals, home gifts, hardware, and electronics. The company adheres to the business philosophy of From From product design to production, we are a professional packaging bag manufacturer in China, providing consumers with simple, practical, and aesthetically pleasing packaging bag products. Welcome to call the service hotline for consultation . Service hotline: 135-4929-7179

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