1, the exclusion of the packaging container part of the air (oxygen), can effectively prevent spoilage of food.
2, the use of barrier (gas tightness) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the packaging content material exchange, you can avoid food weight loss, taste, and prevent two of pollution.
3, Vacuum packaging container internal gas has been eliminated, accelerated the conduction of heat, which can improve the efficiency of heat sterilization, but also to avoid heating sterilization, due to the expansion of the gas packaging container rupture.
In the food industry, the application of vacuum packaging is very common, a variety of cooked products such as chicken legs, ham, sausages and so on, pickled products such as a variety of pickles and soy products, preserved fruit and other food needs more and more use of vacuum packaging. After the vacuum packaging of food preservation period long, greatly extend the shelf life of food.