Polar Single Chamber Vacuum packing So how exactly does vacuuming work? Vacuum signifies ‘without the need of air’. A vacuum chamber machine gets rid of 99.8% from the air from the chamber and package deal. It then seals the packaging airtight. Consider the upkeep necessities in the sauce packing https://www.linpack.com/news/how-vacuum-packaging-machine-helps-reduce-food-waste