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Vacuum bags with the main use is to pack food and goods, but they also have many other benefits that are good for our products. So today Cfis.edu.vn will tell you all about “ What is a vacuum bag? Can food bags be used to vacuum? ” Please.
What is a vacuum bag?
Vacuum bags, also known as plastic food bags, are specially designed plastic bags that are applied modern vacuum technology to prolong product storage time .
Most food bags today are made from PE plastic, which is widely used in the food industry and can preserve fresh food for a long time. Thanks to the introduction of food bags, the food industry can preserve the freshness of food for longer.
Not only that, thanks to food bags, it helps us to reduce transportation or storage costs , so food bags are increasingly popular in today’s life.
Vacuum packing method
Food preservation using food bags is a method that uses air removal before packaging . It has the effect of preventing food from being exposed to oxygen, avoiding oxidation, thereby preserving food for a long time.
Currently, there are many ways to vacuum food, which can be done manually or automatically by machine. However, in food companies, people use automatic suction by machine to increase capacity.
This method appears in the food and medical industries, helping to remove air (oxygen, bacteria, dirt) in order to prolong the shelf life of products by 3-5 times compared to normal. . Because in an oxygen-deficient environment, moisture-causing agents, molds and bacteria cannot function and also prevent evaporation.
Types of vacuum bags
Electrostatic vacuum bag
One type of food bag is the electrostatic bag , but this type of bag is not exclusively for daily food storage, but this is a specialized type for transporting electronic goods .
Electrostatic vacuum bags are made from NY/CPE or NY/CPP, so the product has good insulation characteristics, easy heat sealing, prevents air from permeating, and has good vacuum efficiency .
PA/PE vacuum bags
PA/PE vacuum bags are highly appreciated by many customers when using. The material to make the vacuum bag is from virgin PA + PE plastic that has not been used, recycled . Therefore, the product ensures quality and safety for users. This is also the reason why this product is now chosen by many people.
Vacuum bags PET/PE, PET/AL/PE, PET/MPET/PE
One of the popular vacuum bags on the market today is PET/PE, PET/AL/PE, etc. This type of vacuum bag is manufactured from many different materials including multiple layers to suit suitable for different requirements.
Should vacuum bags be reused?
Understanding the worries of housewives when it is necessary to preserve food for a whole week while still ensuring nutrition, vacuum bag products have been born with many uses, an impossible product. lack of housewives.
However, not everyone knows how to use vacuum bags effectively and economically, especially many people ask ” Should I reuse vacuum bags? ”
In fact, vacuum bags can be used over and over again if you know how to use them and choose a suitable and good quality product . To reuse vacuum bags, you need to choose products that have the following elements.
The bag must be of good quality, durable, flexible, tough and especially there is no harmful substance in the composition of the bag. The reusable vacuum bags are bags without any holes to prevent air from entering the bag, the polishing equipment, the vacuum valve cover are still kept intact.
Note that when reusing food vacuum bags, you need to wash, dry them , it is best to store the same food in a vacuum bag so that they do not mix with each other’s odors.
In addition to vacuum bags, desiccant bags are also often used to prevent food from becoming moldy.
Vacuum bags are actually still unfamiliar to consumers in Vietnam. Hopefully through this you have understood what is a vacuum bag and have an effective and economical way to use a vacuum bag. Hope the above article will be useful for you!
Please see more:
- Benefits of vacuuming to preserve food
- How to vacuum food, keep vegetables fresh all week without wilting without using a machine
- Should a vacuum cleaner be used for vacuuming?
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