1. The exclusion of some air (oxygen) in the packaging container can effectively prevent spoilage of food.

2. The use of barrier (airtight) 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 to make the packaging container rupture.

In the food industry, vacuum packaging applications are very common, a variety of cooked products such as chicken legs, ham, sausages, grilled fish, beef and so on; pickled products such as a variety of pickles and soy products, preserved food, such as a variety of needs to be fresh and more use of vacuum packaging. After the vacuum packaging of food preservation period long, greatly extend the shelf life of food.