Polar Solitary Chamber Vacuum packing So how exactly does vacuuming operate? Vacuum usually means ‘without air’. A vacuum chamber machine eliminates ninety nine.eight% of the air through the chamber and package. It then seals the packaging airtight. Here is the complete information to sauce canning: filling, sealing, and labeling. https://www.linpack.com/news/precision-in-every-pour-innovative-packaging-for-sauces-liquids