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Re: [Amps] making aluminum heat sinks black

To: "Kenneth D. Grimm, K4XL" <kgrimm@adelphia.net>
Subject: Re: [Amps] making aluminum heat sinks black
From: "" <dcoffman@iquest.net>
Date: Sat, 22 Jul 2006 10:10:41 -0400
List-post: <mailto:amps@contesting.com>
Just a stupid question, what difference does it make what color it has as to 
the heat it will dissipate?

Won't the paint interfere with the thermal contact with the actual metal?

I would imagine that you would need to "scuff" up the metal a little and use a 
good primer to ensure that the paint stays.

73 - Doug

Quoting "Kenneth D. Grimm, K4XL" <kgrimm@adelphia.net>:

> mike kendall wrote:
> > Hello,
> >     Just recieved a large 1foot long aluminum heat sink off ebay.  I read
> that it will work much more efficiently if painted black on one web page. 
> Any suggestions on the right kind of paint that will stick and not flake off
> and if it is worth making it black instead of leaving it as bare aluminum?
> >   73,
> >   Mike Kendall
> >    
> >
> >             
> >   
> I would use a spray can of flat black high temperature barbecue grill 
> paint.  Available most everywhere and certainly in your local Ace, 
> Lowe's, True Value, or Home Depot.
> 
> 73,
> 
> -- 
> 
> Ken K4XL
> k4xl@arrl.net
> 
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