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Alodine 1200 as a substitute for Anodize when reworking

We are in doubt about the application of Alodine 1200 to reworked aluminum parts. We are not sure if it will protect the part agains corrosion.
Normally the parts are anodized, but during a rework it is not cost effective to re-apply the anodize coating.
Is there any other method we can improve the corrosion resistance of the parts still using Alodine 1200?
Please, let me know if anyone has experienced any corrosion problem using Alodine in reworked surfaces.
Thank you in advance.

Marcelo Giacomeli
engineer, aeronautical - São Paulo, Brazil
June 11, 2008

A number of specifications allow ("Alodine") chem film touch up of anodized parts. Sometimes it is prohibited. It depends on the end use and the buyers purchase order/QC.

James Watts
- Navarre, Florida
June 12, 2008

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