Aluminium Foil Sealing Film

Aluminium foil sealing film is a laminated aluminum foil film product by heat sealing to packaged item. It is wide used in food packing and medical packaging. The thickness of the aluminum foil material is generally between 70-180 microns. It can be made into different processes according to different uses and the size of the packaged products. As long as the process of aluminum foil food packaging film includes three-side sealing bags, self-supporting bags, zipper bags, and self-supporting zippers Bags, yin and yang bags and other different processes.

What kind of aluminium foil sealing film is generally used for food packaging, and whether the barrier properties and mechanical strength of the packaging film are suitable is the key to material selection. Common packaging materials are as follows:

1, PE co-extruded black and white film with added barrier resin material: It has good gas barrier properties and flexibility, and is often used in the packaging of liquid seasonings such as soy sauce and vinegar.

2, KPET/PE (PE thickness should be at least 60μm): has good heat resistance, gas barrier properties and heat sealing properties (including heat sealing strength and sealing), commonly used in sauces (such as bean paste, noodles, etc.) food packaged, it can be retorted and sterilized at a temperature of 80 – 90°C.

3, KOP/PE, KPET/PE, KPA/PE, PET/Al/PE, BOPA/EVOH/PE, PA/PE, PA/PE/Al/PE: have good barrier properties, including blocking oxygen, fragrance, grease, etc. , It has high strength (no bag breaking, no leakage of liquid) and cooking resistance, and is often used in the packaging of soups. Among them, the packaging materials containing KPET, KPA, Aluminum foil, EVOH have stronger barrier properties than other materials, but the price is slightly higher.

4, The aluminium foil sealing film mainly used for produces food bags, vacuum bags, zipper stand-up bags, aluminum foil bags, hot pot seasoning bags, dairy food bags, pickle bags, four-side sealing bags, high-temperature cooking bags, and various seasonings, dairy food series roll film, supermarket special portable Bags, tear bags, etc.

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