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HydraBan 420 is a versatile new water repellent coating from Michelman (www.michelman.com) used by converters of paper and corrugated. It is an economical and easy-to-run coating with or without dilution. It is FDA-compliant for direct food contact, repulpable and recyclable.
Utilizing a new chemistry, Michelman has formulated HydraBan 420 to minimize or eliminate foaming and separation issues. The new coating exhibits excellent water beading and printability and is cold set gluable with most adhesives.
HydraBan 420 can be applied in-line on the corrugator from the wet or dry end, with a rod or blade coater or offline. It can also be applied by flexo.