With the continuous development of the food industry, more and more Shanghai packaging machine manufacturers began to buy vacuum packaging machine, also expect it can play a more role. For example, the vegetable industry, fruit industry, fresh industry all need this kind
Machine, its low price, long service life, industry brand numerous, is people's best choice!
Food industry is varied, but most need vacuum packaging, so the major manufacturers will choose and buy vacuum packaging machine. The vacuum theory originated abroad, where the gas would be fairly thin, but it doesn't mean there's no air, just in the 600-1333Pa range. So the vacuum packaging machine also has other names, such as we often say the pressure reduction packaging machine and so on, also someone called it exhaust packaging.
Nowadays, in order to extend the preservation period of goods, Shanghai packaging machine manufacturers will adopt vacuum packaging, so the vacuum packaging machine arises at the historic moment. It can quickly achieve the role of air extraction, and has the ability to seal. This will save a lot of space on the packaging. At present the packing machine style is numerous, the function is different, some also has the nitrogen filling effect, therefore uses the scope widely.
If you are ready to choose and buy vacuum packaging machine, you can go to the manufacturer to consult the style and specifications, and then according to their own industry needs to determine the model. The vacuum packing machine has been invented for a long time. People used it in the 1940s. And the machine of our country hides in last century 80 time begin popularity, already promoted to each place now, got the favour of the personage inside course of study. If you go to the supermarket, you will see a lot of products using vacuum packaging, the corresponding hard packaging products phased out, is to learn from the function of vacuum packaging machine.
Vacuum packaging machine has a lot of characteristics, first of all, it has excellent air tightness, also known as the industry barrier. Such different foods can stay fresh, thus extending the sales period without losing their original freshness. Modern people pay attention to environmental protection, people use vacuum packaging is another important reason, is to prevent pollution.
Secondly, vacuum packaging machine can achieve sterilization effect. Its principle is very simple, the air inside the package becomes less, so the heat conduction level is strengthened, many bacteria cannot survive, virtually improves the thermal sterilization effect. If manufacturers want to carry out sterilization work, there is no need to worry about gas expansion situation. Therefore, the machine is the essential equipment of major manufacturers.
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