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Performance Of Aluminum Foil Chapter 1
Jun 08, 2018

aluminium foil 1.jpg

1. Mechanical

 

The mechanical properties of aluminum foil mainly include tensile strength, elongation, cracking strength and so on. The mechanical properties of aluminum foil are mainly determined by the thickness.

 

In general, aluminum foil is lightweight, ductile, thin, and has a small mass per unit area. However, it is generally not used alone for packaging products because it has a low strength, is easy to tear, and easily breaks and produces holes when folded. In many cases, it is compounded with other plastic films and papers to avoid its disadvantages.

 

2. High barrier property

 

Aluminum foil has a high barrier to water, water vapor, light, and aroma, and is not affected by the environment and temperature. Therefore, it is often used for fragrant packaging, moisture-proof packaging to prevent moisture absorption, oxidation, and metamorphic of package contents. Especially for high temperature cooking and sterilization packaging of foods.