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Will solvent-based rust preventive agent dissolve Chromate Sealer?

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Hi all,

We applied Chromate Sealer on the blue chromating of the zinc plating as topcoat. To enhance the corrosion resistance, we have additional of anti-rust agent (strong solvent-based) dipping before handling.

These chromate sealer layer (with blue zinc as undercoat) is potential to external rubbing/scratching/wearing etc during assembly, handling and storage. I'd like to know if the solvent-based anti-rust agent would weaken (even dissolve) the chromate sealer, which is an inorganic protective paint to the zinc. Thanks for advice.

Regards,


Chee Hong, Lee
- Singapore


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If the solvent base is acid it will strip the coating to some extent - if it is only solvent then probably it will have no effect.

Robert D Lilley
- Singapore



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