What is the difference between aluminum foil composite film, aluminum-plastic composite film and aluminized film

I believe that many people are not very clear about what aluminum film composite film, aluminum-plastic composite film, aluminized film, and aluminum-plastic film are. What is the difference between them? The following is a detailed explanation of the differences between these membranes.

1. Aluminum foil composite film and aluminum-plastic composite film

(1) Aluminum foil composite film is the most commonly used composite roll film, usually containing pure aluminum (AL) and aluminum plating (VMPET).
(2) Aluminum-plastic composite film is divided into two types: aluminum-plastic film and aluminized composite film.

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Next, let’s talk about the materials, structural composition and characteristics between them.

2. Materials

(1) Aluminum foil (AL)
(a) Aluminum foil is an extremely thin sheet formed by high-purity aluminum after multiple calendering. It is an excellent heat conductor and light shielding body.
(b) The purity of aluminum foil for packaging is above 99.5%.
(2) Aluminum coating (VMPET)
Vacuum aluminized film is a thin film in which aluminum vapor is deposited onto various base films in a high vacuum state. The thickness of the aluminized layer is generally 350 to 400A.

3. Structure

(1) Aluminum plastic film
(a) PET/aluminized CPP (light product structure)
(b) PET/AL/PE (use structure below 10KG)
(c) PET/AL/CPP (Pesticide Use Structure)
(d) PET/AL/NY/PE (heavy packaging structure)
(e) PA/AL/CPP (polymer lithium battery flexible packaging)
(2) Aluminized composite film
PET aluminum + PE

4. Performance characteristics

(1) Aluminum plastic film
Good flexibility, moisture-proof, oxygen-proof, light-shielding, shielding, anti-static, vacuumable, and color-printable.
The materials used in each construction are different, resulting in different final properties. The indicators may differ by 10 times or even a hundred times.
(2) Aluminized composite film
Anti-static; can be vacuumed; light, oxygen; waterproof, moisture-proof; anti-volatile; high-end exquisite packaging and other advantages.
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5. Scope of application

(1) Aluminum plastic film
It can be used in food, medicine, pesticide, chemical industry, mechanical and electrical products, etc. In the food and pharmaceutical industries, such as outer packaging bags for potato chips, outer packaging bags for capsules, etc.
(2) Aluminized composite film
Aluminized composite film series products are suitable for moisture-proof, light-proof and vacuum packaging of chemical raw materials, pharmaceutical intermediates, and lithium iron phosphate cathode materials. It adopts two-layer structure, has good toughness, and has good water and oxygen barrier functions. The size is not limited, and packaging bags of different specifications and styles can be customized according to the body, and can be made into flat bags, three-dimensional bags and other styles.

For custom-made aluminum foil bags, choose Honest Packaging as a packaging bag manufacturer.

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