Polar One Chamber Vacuum packing How does vacuuming perform? Vacuum signifies ‘without having air’. A vacuum chamber machine gets rid of ninety nine.eight% from the air through the chamber and offer. It then seals the packaging airtight. Here is the entire guidebook to sauce canning: filling, sealing, and labeling. https://www.linpack.com/news/step-into-the-future-with-advanced-vacuum-packaging-machine-technology