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Chemical Pre-Treatment Pickling The Pickling is a chemical Etching of metal surfaces using aggressive chemicals (alkaline solution), to remove metal layers or achieve oxide-free surfaces (activation of the material for further coating). Dimensions Etching Bath 4.000 x 1.000 x 500mm Chromate Conversion Coating Chromating is the chemical passivation of surfaces by an Al-chromate layer as corrosion protection with excellent conductivity as a high-quality adhesive for subsequent painting and powder coating processes, for reduction of fingerprint sensitivity and for variation in appearance (gloss, colour). According to the EU Directive of January 1st 2006 this process is Chrom6-free. Dimensions Bath 4.000 x 1.000 x 360mm 
Glossary  Overview
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