[Amps] making aluminum heat sinks black

[slifamily]

In a former job, we built black body radiators used for calibration of
missile seekers.  We used Krylon ultra flat black paint.  It had very high
emissivity at long infrared wavelengths.  The aluminum was anodized first so
that the paint would stick.

Steve
KT4FY

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of mike kendall
Sent: Saturday, July 22, 2006 9:47 AM
To: amps at contesting.com
Subject: [Amps] making aluminum heat sinks black

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
   

 		
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