Knife Coating Services As part of our solvent- and water-based coating capabilities, National Coating Corp. provides knife coating services. Our knife coating process can be used to apply coatings to substrates and materials like foams, woven textiles, non-wovens, and paper. In applying coatings using the knife coating method, we can work with substrates up to 80” wide, with weights between 1 oz. and 60 oz./sq. yd.
Knife coating is a method of coating application where the substrate material is fed on a web over a roll, with a knife set to a predetermined gap height. When the coating is applied to the substrate and fed through, the knife removes the excess coating material, resulting in an even application at the desired thickness. Knife coating is useful when applying adhesives and other coatings for the paper, laminating, automotive and other industries. | 
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