for your information. 1 excluding part of the air (oxygen) in the packaging container can effectively prevent food from spoiling. vacuum packaging machine. it should be analyzed according to your specific situation. here is a brief introduction to the characteristics of vacuum packaging machinery. 2using packaging materials with excellent barrier properties and strict sealing technology and requirements can effectively prevent the exchange of package contents. it can avoid food weight loss and common taste, and can prevent secondary pollution. 3 the gas inside the vacuum packaging container has been eliminated, which accelerates the heat conduction. this can improve the heat sterilization efficiency. it also avoids the rupture of the packaging container due to gas tendons during heat sterilization. food industry. vacuum packaging applications are very common. various cooked products such as chicken legs, ham, sausages, grilled fish fillets, beef jerky, etc.; preserved products such as various pickles, soy products, preserved fruits and other foods that need to be kept fresh are increasingly being vacuum-packaged . vacuum-packed food has a long shelf life, which greatly extends the shelf life of the food. if you want to know more about vacuum packaging machinery, you can consult shenzhen shuangcheng intelligent packaging equipment co., ltd. thank you!