With the rapid development of global packaging industry, packaging has become an important pillar industry in developed countries. In recent years, the rapid rise of packaging industry, a variety of new packaging materials emerge endlessly. Especially, the application of aluminum foil in packaging industry shows its unique superior performance more and more, forming a new market growth point and opening a new incremental space for the consumption of aluminum foil in packaging industry. This is because aluminum foil has light material, high barrier, shading, UV resistance, moisture, corrosion resistance, insulation, long shelf life, health and other characteristics, in the deep processing and utilization of easy to bend, adhesion and thermal adhesion and excellent surface printing performance and decorative effect. As an excellent packaging material, aluminum foil is widely used in cigarette, food, candy, dairy, beverage, medicine, machinery, electronics, photographic equipment and daily chemical industry.
In the process of using aluminum foil for flexible packaging, mainly through aluminum foil alloy brand, processing technology, rolling conditions to select aluminum foil products that meet the requirements of various performance and processing technology requirements of flexible packaging.
The aluminum foil alloys selected for flexible packaging are mainly series 1 and Series 8. From the aspect of composition, Series 1 contains more other alloy components than series 8. Therefore, in terms of the machinability of aluminum foil used for flexible packaging, the aluminum foil of Series 8 has better performance and better machinability than series 1. With its excellent sealing, plasticity, corrosion resistance and other characteristics, it is widely used in the packaging of food and beverage, cigarettes, drugs, household daily use and other products.
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