vacuum packing machines Didžioji Britanija

... machines fall into two main categories; Internal or chamber vacuum sealers; the bag is placed inside the chamber where the air is removed using a vacuum pump, ideal for smaller, wet, dry or liquid products. External, nozzle or probe type machines are ideal for larger plastic bags. These are more suitable for dry products but not for liquids. Vacuum packing removes air or oxygen from the package prior...