Pharma blister packaging machine | Aluminum foil: a rookie in the packaging industry
Aluminum foil paper, also known as tin foil, as the name suggests, refers to paper made of aluminum foil backing paper and aluminum foil pasting and bonding. It is soft and easily deformed, like paper, and does not rebound after deformation. It can be qualitatively guaranteed, shading, will not fall, opaque, pollution-free, and cheap.
The original tin foil is really made of tin. Tin foil is softer than aluminum foil. Food packaging will inevitably have a tin smell. At the same time, tin foil cannot be heated due to its low melting point or high heating temperature, which limits its use in food packaging. usage of. Therefore, after the price of aluminum fell, aluminum foil replaced the appearance of tin foil in daily life.
Aluminum foil paper has a wide range of uses, such as aviation food packaging, ordinary meat packaging, cigarette packaging and so on. Among the aluminum foil products in China, the largest production scale is packaging aluminum foil products, which account for nearly 50% of the total output. Nowadays, packaging aluminum foil is gradually being valued by merchants and consumers due to its many advantages, such as easy recycling, environmental protection, water resistance, and high temperature resistance. Aluminum foil consumption accounts for 37% of the total aluminum foil consumption. It is expected that in the future, with the application With the expansion of the scene, packaging aluminum foil still has huge room for development.
Pharmaceutical packaging
Anyone who has been to a pharmacy to buy medicine should know that it is not only Western medicine, but in addition to Chinese medicines that need to be brewed, many Chinese patent medicines are also used in blister packs. Blister packaging is mainly made of polyvinyl chloride sheet (PVC) and 0.02mm thick aluminum foil. Compared with traditional packaging such as paper bags and glass bottles, blister packaging has the advantages of moisture-proof, easy to carry, safe and hygienic. In 2002, the output value of China's pharmaceutical packaging market was approximately US$1.8 billion, with an average annual growth rate of over 10%. Another important aluminum foil market is the production of aluminum-plastic easy-to-tear film (SP). At present, there are more than 1,000 such production lines in China, and the demand for aluminum foil is 3,000 tons per year. In addition, aluminum-plastic composite hoses for ointment packaging and aluminum-plastic composite bottle caps for liquid and injection packaging are also two potential markets for aluminum foil consumption. At present, the total demand for aluminum foil is more than 1,000 tons.
Food flexible packaging
In addition to the grilling application mentioned at the beginning, there are also applications on flexible food packaging. The most common ones are candies and chocolates. Peel off the outermost sugar paper, which is usually wrapped with a layer of aluminum foil. This is also for hygiene and to prevent melting. Convenient foods such as instant noodles and local specialties that are necessary for "lazy people" are also packaged in aluminum foil. There is also milk powder, mostly in aluminum-plastic composite packaging. Liquid milk and juice are mainly packaged in aluminum foil cartons. Because of the large regional differences in China, the uneven distribution of the production and marketing of dairy products has provided a broad market for aluminum foil aseptic packaging. In addition, a considerable part of the coffee, tea, etc. that are often sent to friends and relatives are packaged in aluminum-plastic composite packaging.
With the development of society, people have higher and higher requirements for packaging. Among all kinds of new packaging materials, aluminum foil materials have unique advantages. According to data released by the China Nonferrous Metals Processing Industry Association, China’s total aluminum foil output in 2019 was 4 million tons, of which packaging aluminum foil accounted for the largest proportion, accounting for up to 50%, which was 2 million tons; in the same year, China’s packaging aluminum foil consumption was about 1.03 million tons, accounting for about 37% of the total consumption of aluminum foil.
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