1235 Aluminium foil characteristic

Aluminum foil alloy 1235 has a wide range of applications, from yogurt covered foil, medical packaging foil, household foil, food container foil, automotive insulation film to tape aluminum foil. What are the characteristics of 1235 aluminum foil?

1, mechanical ability
Generally, aluminum foil is light in weight, good in ductility, thin in thickness, and small in mass per unit area. However, the strength is low, it is easy to tear, it is easy to break when folded, and holes are generated, so it is usually not used alone for packaging products. In many cases, it can be mixed with other plastic films and papers to overcome its shortcomings.
2, high barrier performance
Aluminum foil alloy 1235 is highly barrier to water, water vapor, light and aroma and is not affected by the environment and temperature. Therefore, it is commonly used in snack packaging, cigarette packaging, moisture-proof packaging, etc., to prevent moisture absorption, oxidation and volatilization of food in the package. It is especially suitable for high temperature retort sterilization packaging of food.
3, corrosion resistance
The surface of the aluminum foil 1235 naturally forms an oxide film, and the formation of the oxide film can further prevent the continuation of oxidation. Therefore, when the contents of the package have high acidity or alkalinity, the surface is usually coated with a protective coating or coated with PE to improve its corrosion resistance.
4, heat resistance, low temperature resistance
The high temperature of aluminum foil is stable at low temperature, and does not shrink at -73~371 °C without deformation, good thermal conductivity, and thermal conductivity up to 55%. Therefore, it can be used for high temperature cooking or other thermal processing, as well as for cold packaging.
5, shading
Aluminum foil alloy 1235 has good light-shielding properties, reflectivity up to 95%, and a silver-white metallic luster. The surface printing decoration can show good packaging and decorative effects, so aluminum foil is also a high-grade packaging material.

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