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RE: Painting aluminium heatsink

Black or dark colored heat sinks are most often anodized, not painted.

I would question the effectiveness of paint vs just leaving the aluminum bare. Wouldn't a coat of paint actually hinder the dissipation properties of the bare aluminum by blocking cool air from reaching the aluminum... or blocking the heat from reaching the cool air?

I'm just guessing but it's something to think about. Somehow I don't think paint is the right answer.




Edits: 09/29/15

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