Terlet says its V-G system can be used to increase the shelf life of products such as baby formula, powder milk, snack foods and other powdered food products. In one process step, up to 99.5% of the air is pumped out and the vacuum created is maintained long enough to bring the remaining oxygen content within the product to an absolute minimum. Then, a slight overpressure is built up with inert gas, after that, the vacuum chamber opens and the products are transported to the sealing machine.