[China Glass Network] In recent years, with the continuous improvement of the quality of life, consumers are becoming more and more critical about the quality of various foods and beverages and packaging grades. The packaging of the original glass products is gradually diversified, and some beverages are packaged in glass containers. They are gradually changed to PET plastic and metal container packaging. The reason for this is that the cost of glass bottles is too high. In many countries, glass containers are prohibited from being used in public places such as the wild, concerts and competitions. It has greatly affected the application of glass bottles.
Considering that metal can packaging is easy to carry, simple to manufacture, low in cost, and high in recycling efficiency, metal cans are also supported by manufacturers and consumers in some consumer fields. The market share is also growing. Why are Chinese liquors rarely available?
The packaging materials of Chinese liquor bottles can be divided into: ceramics, ordinary glass, white materials, high white materials, fine white materials, crystals, frosted white materials, plastics, wood-loaded bamboo and iron boxes. The market is dominated by low-priced high-white materials, and high-end products are mainly composed of crystal materials, abrasive materials and advanced ceramics. Since ancient times, the packaging of liquor has been inseparable from containers such as ceramics, glass and mud pots.
Liquor packaging is endless, but there are few cans, and why is it not suitable for cans? Strictly speaking, it is not "not" but "not appropriate".
1. Liquor has high alcohol content and other chemicals, which are highly corrosive. It is not suitable for metal materials and will chemically react with the inner wall of the can. Causes leakage.
2. Liquor and other beverages are different. The various aromatic substances in the bottle after brewing are still changing. Liquor needs a small amount of air contact after bottling to facilitate the production of aromatic hydrocarbons. The meaning of "wine is more fragrant and more fragrant" is roughly what it means. Ordinary cans have a capacity of 250-300ML, which is one-off. Few people have such a large amount of alcohol (white wine). If you can't drink it once, you can't cover it, alcohol will evaporate, and white wine will taste bad, so liquor They are all covered with glass bottles and ceramic cans, and they can be warm and mellow with such a container. During the storage process, the alcohol in the wine reacts with the organic acid to produce a variety of esters, and various esters have various special aromas. Because the esterification reaction in wine is rather slow, high quality wines generally need to be stored for three to four years, or even longer.
3. The tank wall of the can is very thin, and it is better to use a liquid containing gas, such as cola, soda, beer, and the like. When the gas expands, it increases the strength of the tank wall to facilitate transportation and storage.
4, cans as a general beverage cans, the price is generally not high, and liquor as a relatively high value of beverage types, manufacturers are reluctant to reduce their product identity.
However, in today's increasingly popular civilian liquor, it is not without the liquor manufacturer's first attempt. At this year's sugar and wine party, the company affiliated to the Luzhou Laojiao Group has launched a small can of canned wine. The "cross-border" wine.
At the same time, some packaging manufacturers began to produce a white wine cans, which consisted of two inner and outer tanks. The inner tank consisted of an inner tank and an inner tank lid. The top cover of the outer can is fully open. The outer tank is made of alloy aluminum or tinplate, and the inner tank is made of glass, ceramic or non-toxic plastic.
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