Protection and selection method of vacuum packing bag

by:Kolysen     2020-06-30
Now constantly improve people's living standard, people to the requirement of the quality of life also becomes higher, it also makes the use of vacuum packing bag become more widely, but the vacuum bags are how to protect to keep using it for longer periods of time? How do we choose the vacuum packing bag? Vacuum packing bag four protection methods: 1. Due to large vacuum bags under the influence of temperature, therefore, bear in mind that try not to put them in the sun the place that can direct, because of the strong ultraviolet radiation aging can accelerate vacuum bags. 2. Vacuum packaging must try to avoid bursts hot and cold, this can prevent the vacuum packing bag heat bilges cold shrink and shorten life. 3. Remember, don't put wet vacuum bags, air circulation, so it is easy to rot bags, thus affect its use. 4. For some long time have not used the vacuum bags, be sure to check them carefully for cracks, and then begin to use. Above is the four protection methods of vacuum packing bag, we are in common use, be sure to remember this method, so as to make your bags have a better life. Food vacuum bag packaging selection method of numerous, categories can be divided into industrial packaging and food packaging. Product standards of food vacuum bag requirements was obviously higher than that of ordinary industrial products, correct selection of food vacuum bag, should note what respect? Food with vacuum packing bags must have the Chinese label, label producer name and address, product name, and the obvious place marked with the words 'food'. Products quality certificate are provided after they go out. Food with vacuum packing bag factory is no smell, no peculiar smell, vacuum packing bag with special smell, cannot be used for food packaging. Vacuum packing bag with color ( The current market with dark red or black color etc. ) Cannot be used for food packaging. Because this kind of vacuum packing bag is often made of recycling plastic. As far as possible choose without coating, coating materials. Modern packaging design, in order to make the packaging more beautiful, corrosion resistant, with coating material is widely used. This not only brings to the after product scrap material recycling and reuse of the difficulties, but most of the paint itself has toxicity, if people eating the packaging of food, can produce very big harm to people body. Coating, plating process also brings great pollution to the environment. Generated when the volatile solvent toxic gases such as coating, electroplating heavy metal waste liquid and waste residue containing chromium pollution, etc. Therefore, we should try to choose without coating, coating of packaging materials. Choose best food to the shopping mall to buy, do not go to the street stalls to buy. Due to the nature of food with vacuum packing bag is not easy to degrade, can cause environmental pollution, therefore, when food shopping, had better choose green packaging material. Paper is currently the most widely used green packaging material. When the choose and buy food, therefore, it is advisable to had better choose the original paper packaging, biodegradable plastics.
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