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-   -   Anodizing radiators,,,ok? (http://www.clubcobra.com/forums/all-cobra-talk/113488-anodizing-radiators-ok.html)

Fred Z 12-02-2011 09:23 AM

Anodizing radiators,,,ok?
 
Does anyone know if anodizing a radiator has any negative effect on performance of same? I have had it done an on car for 5 years, now needs replacing. Someone told my builder it has some adverse reaction of sorts
Just asking my associates here for your input
Thanks boys
Fred z

bobcowan 12-02-2011 10:42 AM

Anodizing is a two step process.

First the aluminum oxide is "grown out of the surface of the alum. This very thin layer is much harder than the original surface. It's also slightly larger; so sometimes that can be an issue with precision parts.

The new surface is a bit pourous. The color is added as a dye, not a coating like paint or PC. That doesn't change the size at all. It also won't flake off, chip, or peel. But it can be scratched.

Standard anodizing techniques make the surface a little bit harder, but not a whole lot. There are certain techiques that will make it really heard - which I suppose could be a problem with expansion and contraction.

But, you've had it on a car for 5 years. is it a problem?


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