Are Passivations Obsolete?

During the galvanizing process, chemical treatments and passivations such as oil, Cr3, and even the potentially dangerous Cr6 (hexavalent chrome) are applied as treatments at the end of the line. None of these are needed again for any real purpose, so why use them?

The InterCoat®ChemGuard dramatically exceeds the corrosion protection of any zinc or zinc alloy coating (even the heaviest weight) so that no additional protective treatment is needed.  Ship it, store it, truck it, use it—there is no need for additional protection. There’s no worrying about altering travel and storage conditions that may shorten the life of your galvanized product, or fretting about the formability and adhesive properties of galvanized metal after its been treated.

As for formability and adhesion foundation, both are characteristics of our product. With barrier coatings, oil and temporary treatments, there is additional cost, additional processing steps (removal, for example), waste and excess. After the embedded application of InterCoat®ChemGuard and its integration into the zinc, no further treatment or processing is needed, rendering the need for passivations obsolete.