Anuga FoodTec presents key theme 2027
The trade fair works closely with the German Agricultural Society (DLG) to organise the content.
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Increasing the use of mono-material packaging is an important prerequisite for higher recycling rates. In the area of food packaging, however, this intention comes up against the special requirements of product safety. The ink manufacturer hubergroup has now developed a barrier coating that makes mono-material packaging oxygen-tight.
Recyclable packaging solutions are becoming increasingly popular. However, due to the complex requirements profile, flexible food packaging often consists of combinations of different types of film and is therefore difficult to recycle. The new Hydro-Lac GA Oxygen Barrier Coating from the printing ink specialist hubergroup Print Solutions starts here. It protects the packaged food from oxygen and thus enables mono-material packaging.
OTR less than 10 cubic centimetres of oxygen
„Conventional flexible food packaging often consists of several laminated film layers of different chemical nature. Each fulfils a specific function - one of which is protection against oxygen„, explains Ralf Büscher, Senior Expert Projects Flexible Packaging at the Bavarian company. „However, packaging that consists of several plastics cannot be recycled at all or only with great effort."
This is where the new oxygen barrier coating comes into play. It enables food manufacturers to use mono-materials of the same type for their packaging. According to the company, an OTR (Oxygen Transmission Rate) of less than 10 cubic centimetres of oxygen per square metre per day can be achieved with polypropylene under industrial conditions. Sensitive foods such as muesli or nuts are thus protected from atmospheric oxygen in recyclable packaging.
Source: hubergroup
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