retouching black anodised heatsinks

Bakmeel · 23rd September 2006, 11:11 AM

Anyone knows a good method for repairing small damages in black anodised heatsinks? I mean to make the damage black again (e.g. a scratch).

Permanent marker appears to leave a purple "haze" on the aluminium, or maybe you just need the right brand.

Thanx
Bakmeel

mike.m216 · 24th September 2006, 04:34 PM

Perhaps some black automotive touch up paint?

Bakmeel · 25th September 2006, 08:56 AM

Maybe if you make it a bit more liquid, so that it wont leave a "layer" of paint on the aluminium... Thanx mike!

Geek · 25th September 2006, 09:53 AM

Hi,

Paints like enamel based auto touch-up will act as an insulating blanket and reduce efficiency far worse than the scratch.

For cosmetic touchup, check out cold blueing for aluminum at a gun store. That stuff also doesn't kill heat dissipation properties, but increases it.

Cheers!

23rd September 2006, 11:11 AM	#1
Bakmeel diyAudio Member Join Date: Jan 2002 Location: The Netherlands	retouching black anodised heatsinks Anyone knows a good method for repairing small damages in black anodised heatsinks? I mean to make the damage black again (e.g. a scratch). Permanent marker appears to leave a purple "haze" on the aluminium, or maybe you just need the right brand. Thanx Bakmeel __________________ More Power Igor! More Power!

25th September 2006, 08:56 AM	#3
Bakmeel diyAudio Member Join Date: Jan 2002 Location: The Netherlands	Maybe if you make it a bit more liquid, so that it wont leave a "layer" of paint on the aluminium... Thanx mike! __________________ More Power Igor! More Power!

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24th September 2006, 04:34 PM	#2
mike.m216 diyAudio Member Join Date: Jun 2006	Perhaps some black automotive touch up paint?

25th September 2006, 09:53 AM	#4
Geek diyAudio Member Join Date: Sep 2004	Hi, Paints like enamel based auto touch-up will act as an insulating blanket and reduce efficiency far worse than the scratch. For cosmetic touchup, check out cold blueing for aluminum at a gun store. That stuff also doesn't kill heat dissipation properties, but increases it. Cheers!

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