Introduction to Aluminum Plating Film

Vacuum evaporation deposition of metal thin films is a process of forming composite thin films by melting and vaporizing the metal under high vacuum conditions (10 to 4 mbar or above) using resistance, high-frequency or electron beam heating, and adhering to the surface of the thin film substrate. The metal plated material can be gold, silver, copper, zinc, chromium, aluminum, etc., among which aluminum is the most commonly used. Plating an extremely thin layer of metal aluminum on the surface of plastic film or paper becomes an aluminum plated film or paper.

The vacuum aluminized film used for packaging has the following characteristics:

(1) Compared with aluminum foil, it greatly reduces the amount of aluminum used, saves energy and materials, and reduces costs. The thickness of composite aluminum foil is mostly 7-9um, while the thickness of the aluminum layer of the aluminum plated film is about 400 Å (0.04um), and its aluminum consumption is about 1/200 of that of aluminum foil, and the production speed can reach up to 700m/min.

(2) It has excellent folding resistance and good toughness, with few pinholes and cracks, no kneading and cracking phenomenon, and improved barrier to gases, water vapor, odor, light, etc.

(3) Has excellent metallic luster, with a light reflectivity of up to 97%; And it can form a colored film through coating treatment, which has a decoration effect that aluminum foil cannot match.

(4) Shielding or elution can be used for partial aluminum plating to obtain any pattern or transparent window where the contents of the packaging can be seen.

(5) The aluminum coating has good conductivity and can eliminate static electricity effects, especially when packaging powder products, it will not pollute the sealing part, ensuring the sealing performance of the packaging.

(6) It has good adaptability for post processing such as printing and lamination.

Due to the above characteristics, aluminum plated film has become a new type of composite film with excellent performance, economic aesthetics, and has replaced aluminum foil composite materials in many aspects. Mainly used for packaging flavored food, daily necessities, agricultural products, pharmaceuticals, cosmetics, and cigarettes.