China's current packaging of white wine, wine, liquor, and beverages is still dominated by glass bottles, so many bottle caps are made of aluminum. At present, there are tens of thousands of liquor production factories in China, including about 30,000 liquor production factories. According to statistics from China Brewing Industry Association, the annual output of white spirits in recent years is about 6 million tons, of which about 50% of bottles use anti-theft caps.
China's aluminum cap production plant nearly 200, the annual design production capacity of about 9 billion, of which nearly 30 production lines introduced, the output is more than 5 billion, can produce nearly a hundred kinds of various types of caps. According to relevant experts, China's anti-theft covers will grow at a rate of 10% per year. It is estimated that about 15 billion anti-theft caps will be needed in 2010, and about 35,500 to 60,000 tons of aluminum plates will be needed.
In recent years, the anti-counterfeiting of alcoholic beverages has been increasingly emphasized by manufacturers. As part of the packaging, the bottle caps are also diversified and gentrified for their anti-counterfeiting functions and production forms. Bottle caps such as twist-off type, open type, and multi-counterfeiting proofs Widely used by manufacturers. Although the function of the security cover is constantly changing, there are two main types of materials used, namely, aluminum and plastic. Internationally, most alcohol bottle caps use aluminum bottle caps, which are simple in shape and delicate in production, giving consumers an elegant visual experience. Compared with plastic bottle caps, aluminum bottle caps are not only superior in performance, but also can be produced in a mechanized, large-scale, low-cost, non-polluting manner and can be recycled.
Aluminium bottle caps are simple in appearance, but they are made in fine detail. The advanced printing technology makes them uniform in color and exquisite in design, giving people a sense of exquisiteness and elegance. The style of bottle caps used in foreign countries mostly adopts the traditional mode, with less change. For example, the cap of Scotch whisky, with its pure black and golden words, gives people a simple, elegant, long-lasting enjoyment while also playing a role in it. The logo function.
The structure of the plastic anti-theft cover is complex, and it has the function of preventing back pouring. Its surface treatment process methods are various, the three-dimensional sense is strong, and the appearance is unique and novel, but its inherent defects cannot be ignored. Because the glass bottle uses a thermoforming process, the bottle mouth size has a large error and it is difficult to achieve high sealing performance. Relevant packaging experts pointed out that due to the presence of strong static electricity, plastic caps are prone to adsorb dust in the air. In addition, the debris generated during ultrasonic welding is difficult to remove. There is currently no complete solution to the problem of plastic debris on wine contamination. In addition, individual plastic bottle cap manufacturers have to worry about making their raw materials adulterated to reduce costs. As part of the bottle cap is connected with the glass bottle mouth, it is not easy to recycle. Environmental experts believe that its pollution to the natural environment is obvious. In addition, compared with aluminum bottle caps, the cost of plastic caps is about double or even more.
In contrast, aluminum anti-theft caps can overcome the above-mentioned shortcomings of plastic caps. The aluminum security cover has a simple structure, strong adaptability and good sealing effect. It can not only print colorful patterns, but also can be easily mass-produced. The cost is low. If special and advanced printing methods are used, the anti-counterfeiting effect of the aluminum anti-theft cover is also effective. well. Of course, aluminum bottle caps also have some defects, such as the different colors of the side of the bottle caps, easy to produce paint off the appearance of the lack of changes, but these problems can be found in the technical solution.
As part of the packaging, the bottle cap has two main functions: First, it is sealed and it protects the wine. This is the most basic function of the bottle cap, and it is also the most easy for the manufacturer to do; second is the aesthetics, As an integral part of the packaging, small caps can be the finishing touch. At present, some manufacturers in the selection of bottle caps, overemphasized its anti-counterfeiting capabilities, and ignored its most basic sealing function. In essence, the effectiveness of sealing and anti-counterfeiting of a packaged product is closely related to its technical content, but it is not the product itself that plays a decisive role, but the laws and regulations of the country and the self-protection awareness of consumers.
Aluminum anti-theft bottle caps are made of high-quality special aluminum alloy materials and are mainly used for the packaging of alcoholic beverages, beverages (gas-containing, non-gas-containing) and medicines and health products, and can meet special requirements such as high-temperature cooking and sterilization.
Aluminum bottle caps are often processed on production lines with a relatively high degree of automation. Therefore, the strength, elongation, and dimensional deviation of the materials are all very strict. Otherwise, cracks or creases may occur during processing. In order to ensure that the bottle cap is easy to print after forming, the bottle cap is required to have a flat plate surface with no rolling marks, scratches, and stains. The commonly used alloy states are 8011-H14, 3003-H16, etc. The material thickness is generally 0.20~ 0.23mm, width 449~796mm. The aluminum bottle cap material can be produced by hot rolling or continuous casting and rolling, respectively, and cold rolling. At present, China's anti-theft cover material production plant uses continuous casting and rolling stock production, but according to anti-theft cover manufacturers, the use of anti-theft cover material on the hot-rolled billet is superior to the cast blank.