Granocoat® 342™ is a non-Chromium passivation formulated for dry-in-place application in sheet or strip line operations on zinc coated surfaces. Application is generally with reverse roll coating, however, other methods, which apply the proper uniform film, may be used. Granocoat 342 produces a uniform non-metallic coating, which improves corrosion; roll forming properties and “fingerprint" resistance. Granocoat 342 treated substrates are paintable either by post painting or on a coil line.
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