A disposable container developed by Lightweight Containers BV for filling and storing all kinds of liquids. The system works according to the well-known "bag-in-ball principle". The cylindrical / barrel-shaped container PET (Plastic made polyethylene terephthalate ) contains a special inner bag that contains the respective drink. The material of the bag is odorless and tasteless. The content is conveyed to the outside by generating pressure in the area between the bag and the outer jacket without the propellant used coming into contact with the beverage. In addition, the inner bag provides effective light protection. Further advantages are reduced transport and storage costs.
The container was made for cider. beer and sparkling wine developed because it is particularly suitable for carbonated drinks. It is now increasingly used for wine. The system offers protection and a longer shelf life for the beverage after it has been tapped and is used primarily in the catering trade for serving drinks. According to the manufacturer, KeyKeg is an improved alternative to the traditional ones Bag-in-box containers, There are two sizes with 20 or 30 liter volume (corresponds to 26 or 40 bottles 0.75 l wine). At through the research institute Geisenheim tests have shown a high barrier property (low loss on carbonic acid and more important for durability sulphurous acid ). See also under wine vessels,