How Does Vacuum Packing Work . A vacuum sealer melts the top of the plastic bag together so the food will be protected. Vacuum packing helps preserve food by removing air from the bag it is stored in.
Vacuum sealing machines remove the air from the containers before sealing them to keep the product fresh for long-term storage. The special bags are also strong enough to be put in a microwave or boiled. Do they really work.
The wrong kind of plastic bag will just melt all over the sealer and make a mess.
This is all done using a food vacuuming machine. First of all the air is drawn from the package and eliminated by means of an extractor. The special bags are also strong enough to be put in a microwave or boiled. There are different types of vacuum packing machine but the basic premise is the same.