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What is aluminum foil composite film?

Date:2018-01-13 14:17
Aluminum foil composite film is the most commonly used composite roll film, usually containing AL and VMPET.
Aluminum foil
Aluminum foil is a very thin form of thin sheet formed by high-purity aluminum after calendering several times, is an excellent thermal conductor and light-blocking body,The purity of aluminum foil for packaging is above 99.5%.
Aluminizer

Vacuum aluminized film is a kind of thin film deposited on various base films by vapor deposition of aluminum in the state of high vacuum. The thickness of the aluminized layer is generally 350 to 400A.
Aluminum foil features
Good mechanical strength, light weight, no heat adhesion, with metallic luster, good shading, strong reflective ability to light, easy to be corroded, good barrier property, moisture proof and waterproof, strong air tightness.
Aluminizer features
A metallic luster, gas barrier, adhesive viscosity is not high, prone to transfer after the composite aluminum layer transfer phenomenon.
Aluminum foil application
Medical packaging substrate, high temperature cooking food packaging, barrier packaging (flavor, fragrance) and electromagnetic shielding packaging.
Aluminizer applications
Light, non-cooking barrier packaging, such as seaweed packaging, puffed food, biscuits food packaging.

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