Polar Solitary Chamber Vacuum packing So how exactly does vacuuming perform? Vacuum usually means ‘without air’. A vacuum chamber machine eliminates ninety nine.eight% from the air in the chamber and deal. It then seals the packaging airtight. Here is the whole tutorial to sauce canning: filling, sealing, and labeling. https://www.linpack.com/news/top-food-packaging-machine-manufacturers-ensuring-quality-and-efficiency