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Can you paint Your radiator? - Page 2

post #11 of 14
Quote:
Originally Posted by radodrill;13623104 
Paint/powdercoat on the fins will certainly affect the performance of the radiator; the factory colors the fins by anodization, which does not effect heat transfer. That said, you can paint/powdercoat the body of the radiator to your heart's content.

Not to mention that not all radiators will withstand the heat of being baked. I don't know how much of an issue it is anymore, but certain radiators weren't properly brazed, but used a solder with too low melting point, and fell apart in the oven.
    
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post #12 of 14
This has been proven again and again on automotive intercoolers to have minimal to no effect for something like up to 10 coats. You can paint the fins without worry. The paint is only contacting the visible part of the fins, which makes up next to nothing as far as cooling surface area goes.
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post #13 of 14
Quote:
Originally Posted by AyeYo;13630603 
This has been proven again and again on automotive intercoolers to have minimal to no effect for something like up to 10 coats. You can paint the fins without worry. The paint is only contacting the visible part of the fins, which makes up next to nothing as far as cooling surface area goes.

Radiators on cars are a different animal than those in PCs; somewhat in design, but primarily due to operational conditions. Since the temperature difference between the engine coolant and the ambient air is substantially higher than that seen in PCs, things like paint on the fins has a much larger performance impact on PC radiators. Also, the fins in a PC radiator are typically thinner and more closely spaced than in automotive radiators, making it more likely for paint to clog the space between the fins.
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post #14 of 14
Quote:
Originally Posted by HybridCore;13623138 
FTW PC, you guys need to have a color anodization service! tongue.gif

That is on the list of things to do. Our current supplier for anodizing only does very large orders (number of parts in the thousands).
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