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Why can the vacuum sealer keep food longer?

Principle of vacuum sealing machine:

The vacuum sealing machine is to put food into a packaging bag, extracts the air in the packaging bag, and completes the sealing process after reaching a predetermined degree of vacuum.

Because the activities of microorganisms mainly cause the mildew of food, and most microorganisms need oxygen to survive, vacuum packaging uses this principle to remove the oxygen in the packaging bags and food cells, so that the organisms lose the environment for survival.

 

Features of vacuum sealing machine:

Part of the air oxygen in the package is a queue out, which can effectively prevent food from spoiling

The use of packaging materials with excellent barrier properties and strict sealing technology and requirements can effectively prevent the exchange of substances in the packaging and avoid food weight loss and loss of taste.

 

Working principle of vacuum sealing machine:

Turn on the power supply and various switches, pump air out of the bag, heat up and down, and seal the bag.

Put the packaging bag containing the items between the sealing belts of the sealing machine, and start the button to start heating according to the demand, the heat of the heating block is transmitted to the sealing part of the bag through the sealing belt, so that the plastic film is heated and melted and softened, and then rolled by rolling. Press to make the melted part bond reliably.

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