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TopFlex is a range of ecological water-based finished barrier coating formulations, used in the paper or cardboard production with specific barrier requirements in the food packaging converting industry.
TopFlex is an easily recyclable water-based coating which contains a biopolymer based on vegetable oils. This coating technology is developed to replace hard to recycle wax emulsion coatings or PE laminates for water, grease and water vapour transmission barriers in paper and board packaging.
Paper and cardboard coated with TopFlex is as easily repulpable as non-treated paper or cardboard. By its very nature this biopolymer has no negative impact on the recyclability or biodegradability of the packaging.
TopFlex requires no stabilizers even at high solid content, while viscosity remains low. Flexo printing coating machines using TopFlex can simply be rinsed with water. TopFlex barrier coating solutions can be adapted to meet additional specific customer requirements for machinability, glueability, coefficient of friction and tackiness.
TopFlex can be used on standard flexo printing machines or anilox rolls and is approved for a wide variety of direct food contact paper and board packaging.