Vacuum Packaging Machines

A vacuum packaging machine puts product in a film bag, de-aerates the bag by decreased pressure in a vacuum chamber, and seals the bag. It prevents discoloring of product and heightens display effect. To avoid smashing, those with a gas-inflating function are available, Vacuum packaging is an effective way to increase the shelf life of food products. Here the product is placed in an air-tight pack, the air sucked out and the package sealed. Vacuum packaging is an effective way to increase the shelf life of food products, Vacuum packing is a method of food preservation. In vacuum packing, the air is removed prior to packing. Removal of the air helps in limiting the growth of microbes on the food and thus increases the shelf life of the food.There are various types of packaging materials that are used for vacuum packaging, such as polyethylene, polyamide, ethylene vinyl alcohol, and other materials such as packaging films, foils, trays, bags, and lids.Vacuum packaging is commonly used to store dry foods over a long period, such as cereals, nuts, cured meats, cheese, smoked fish, coffee, and potato chips (crisps). A packaging product with low oxygen permeability and vacuum packaging is particularly required for foods like fatty fish.