The meaning of vacuum packaging machine
The degree of gas dilution in the vacuum state is called the degree of vacuum, usually expressed as a pressure value.
So the vacuum packaging is not actually completely vacuum, the use of vacuum packaging technology packaging of food containers within the vacuum is usually 600-1333Pa.
In the specified space, less than one atmospheric pressure of the gas state collectively referred to as vacuum.
In fact, vacuum should be understood as the gas thin space.
Vacuum, the term translated from the Latin vacuo, its meaning is nothingness.
