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 Removing Oxidation from Heatsink

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TSblurcase
post Nov 13 2018, 10:57 PM, updated 6y ago

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Hi everyone. I need some advice on how to remove oxidation from heatsink.

I have tried using a diluted vinegar with distilled water 1:4, soaked it for about an hour. After general brushing and rinsing thoroughly, I still find the oxidation all over the place, and it is rather painful to be using a knife to be scraping them off. Attached are the pictures of the condition (after cleaning with method mentioned above).

Before anyone tries to suggest, this GPU is a generic Nvidia P104-100, so I cannot find a replacement heatsink. I would greatly appreciate if anyone has other solutions or suggestions to offer. Thanks.

Attached Image Attached Image
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davidletterboyz
post Nov 13 2018, 11:52 PM

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Try to soak it in Coke for hours. I know it works for copper, but not sure about alu.

This post has been edited by davidletterboyz: Nov 13 2018, 11:53 PM
TSblurcase
post Nov 14 2018, 12:02 AM

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QUOTE(davidletterboyz @ Nov 13 2018, 11:52 PM)
Try to soak it in Coke for hours. I know it works for copper, but not sure about alu.
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I have read somewhere that from chemistry standpoint, Coke works for copper but not for aluminium. Nonetheless, will give it a try, thanks.

If anyone else have some ideas, please feel free to continue pouring them in.
davidletterboyz
post Nov 14 2018, 12:09 AM

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QUOTE(blurcase @ Nov 14 2018, 12:02 AM)
I have read somewhere that from chemistry standpoint, Coke works for copper but not for aluminium. Nonetheless, will give it a try, thanks.

If anyone else have some ideas, please feel free to continue pouring them in.
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Actually, this kind of heatsink is not hard to find. Just get the HS with the matching holes. I think most 1060 have the same mounting.
thefryingfox
post Nov 14 2018, 12:12 AM

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dude long long time ago when I was over clocking.... we use fine sand paper and sand it down to mirror finish... works like a charm
TSblurcase
post Nov 14 2018, 12:30 AM

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QUOTE(davidletterboyz @ Nov 14 2018, 12:09 AM)
Actually, this kind of heatsink is not hard to find. Just get the HS with the matching holes. I think most 1060 have the same mounting.
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Hmm, I tried googling a few 1060s as u mentioned, but could not seem to find any that would be suitable.

https://www.bitnand.com/product-page/nvidia...100-mining-card

This is how the card looks like. If u do know of any heatsinks that can be compatible, please share. Thanks. smile.gif

QUOTE(thefryingfox @ Nov 14 2018, 12:12 AM)
dude long long time ago when I was over clocking.... we use fine sand paper and sand it down to mirror finish... works like a charm
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Hmm, I wouldnt mind doing this if it was only 1 card, but I have 8 cards to attend to, dont think I can afford the time and effort. Thanks for the info anyways. smile.gif
thefryingfox
post Nov 14 2018, 12:33 AM

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actually quite easy.. just buy the finest sand paper.. take out the heat sink and gosok until clear... usually 2 to 3 minutes settle
TSblurcase
post Nov 14 2018, 05:37 PM

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QUOTE(thefryingfox @ Nov 14 2018, 12:33 AM)
actually quite easy.. just buy the finest sand paper.. take out the heat sink and gosok until clear... usually 2 to 3 minutes settle
*
Hmm, that actually gave me an alternative idea, cuz I do have a dremel and wire brush adapter, may consider that as the alternative. Thanks for input!

Anyone else have chemical type cleaning suggestions, please keep them pouring in, thanks!

 

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