How are milk and juice cartons made?
Milk and Juice cartons have been used for more than 40 years and are now being used to package a wide range of foods including cream, custard, flavoured milks, sauces, detergents, soups, wine, oil and cereal grains. There are two basic types of cartons. Gable Top Cartons These cartons are made from a layer of board sandwiched between two layers of a very thin plastic. Although the contents of these cartons are usually pasteurised (e.g. milk is heat treated to destroy bacteria) before filling, the cartons still need to be refrigerated. Some gable top cartons used for packaging fruit juice have an additional layer of foil and plastic which improves the shelf life and retains the flavours. Aseptic Bricks Aseptic bricks are a newer type of carton and are made from five layers: three of plastic, one of foil and one of board. The products in the cartons are sterilised before being packaged, and as the cartons are filled and sealed in a sterile environment, they can be kept for relatively lon