News from the markets 01 15 unique packpaper chamber A silicon containing gas and oxygen are then piped into the chamber while an elec trode is used to generate plasma This produces a coating on the cups called a covalent bond involving the sealed inner layer and the plastic The SiOx layer produced is chemically inert and therefore non reactive The oxygen and moisture permeability is greatly reduced The oxygen bar riers consequently increase significantly com pared with uncoated packaging by a factor of approximately 20 for polypropylene PP cups and by a factor of approximately 30 for polysty rene PS cups Since the barrier layer does not react to any external influences at all the result is greatly improved aroma protection The aroma and flavor of the filling are completely preserved Multiple customer benefits The use of inert barrier technology has other advantages for our customers however The coating is resistant to temperature and humidi ty is flexible and is suitable for sterilization and pasteurization There is also no retort shock i e a decrease in the barrier effect Food products have a much longer shelf life without added pre servatives explains Strasser describing the advantages of the technology ibt is also visually attractive The silicon oxide coating can also be used in cups made of highly transparent materi als without affecting the transparency This me ans customers can get a close look at the filling before they buy Eliminating waste and protecting the environment This new technology is even winning consumers over when it comes to sustainability The longer shelf life can reduce unnecessary food wastage 7 Retailers and consumers alike want the longest possible shelf life

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