copper staining

Steve978 · Aug 27, 2003

I was lapping my heatsink but when I was holding the heatsink I believe the oils... or something sweat maybe in my hands... but the copper is stained in finger prints in a yellowish look kinda looks like rust? anyone have an idea whats going on with this? what can take this out?

JerkasaurusRex · Aug 27, 2003

Try alchohol. It might just be dryed sweat.

Steve978 · Aug 27, 2003

i tryedrubbing alcohol but it doesnt seem to be on the surface it looks like the color has actually changed... will this affect the conductivity?

Restorer · Aug 27, 2003

The acid and salt in your fingerprints have oxidized your heatsink. It will take another (fine) round of lapping or a chemical process (acid wash? I'm not sure) to remove that. They will affect thermal conductivity, as copper oxide and the byproducts of your skin oils are not very conductive. Just lap it again with some of the finer paper, and clean it with rubbing alcohol immediately after you're done, so this won't happen again.

Sniperboy · Aug 27, 2003

Since it is just minor discoloration, it shouldn't affect thermal conductivity. But you might as well sand it down before you mount your heatsink. Don't use an acid bath to clean it, that will ruin you lapping job!

Steve978 · Aug 27, 2003

the staining isnt on the base its on the side fins where i was holding it I think I'll try lapping the side very finely i guess...

Sniperboy · Aug 27, 2003

In that case, I wouldn't worry about it, unless you want your copper to look pretty.

Tc3 Toad · Aug 27, 2003

use catsup or tacobell mild,hot,fire sause. leave it on there for a couple of min and rinse it off. it should look new.

nauqneyugn · Aug 27, 2003

Ya, catsup or a lemon with salt will do the trick...

Steve978 · Aug 27, 2003

I feel so special putting a lemon on my heatsink

my friends already think I'm wierd enough even looking at what temperatures my computer runs at and the thought of me sanding my heatsink terrifies them now someone will come down in my basement to find me smearing catsup in my computer

lthings are so funny sometimes rofl I love it

There should be a thread on "You know your an overclocker when."

1. You know your an overclocker when you start smearing catsup on your heatsink to get rid of blemishes

Janissary · Aug 28, 2003

LOL really funny but I think that you do not need to smear catsup on your HS, it works because of the vinegar that is in the catsup. Well vinegar sounds also weird but it is at least easier to clean it off

stan03 · Aug 28, 2003

Janissary said:
LOL really funny but I think that you do not need to smear catsup on your HS, it works because of the vinegar that is in the catsup. Well vinegar sounds also weird but it is at least easier to clean it off

thanks, i was about to go dunk my slk into catsup...

m0r7u71715 · Aug 28, 2003

You could always attach the HS to the anode (negative) side of a car battery, dunk it in water, attach some pennies to the electrode and electroplate your block... it would still be copper colored, but it would be shiny again...

speaking of which... I think I'll gold plate my next block... if I don't make my next block out of silver... that's always fun for cleaning...

Janissary · Aug 28, 2003

I don't think that works if you dunk it in water, you must use some chemicals, but electroplating is a good idea anyway because that would be %100 pure copper on your hs.

Tc3 Toad · Aug 28, 2003

i dont use vinigar because it smells. I like the tacobell sause gives it a little spice and easy to clean.

Ffats · Aug 28, 2003

m0r7u71715 said:
You could always attach the HS to the anode (negative) side of a car battery, dunk it in water, attach some pennies to the electrode and electroplate your block... it would still be copper colored, but it would be shiny again...

I'm sure thats incredibly safe, and extremely logical....

stan03 · Aug 28, 2003

Janissary said:
I don't think that works if you dunk it in water, you must use some chemicals, but electroplating is a good idea anyway because that would be %100 pure copper on your hs.

no it wouldn't....

I'm sure thats incredibly safe, and extremely logical....

ROFL

copper staining

Steve978

Member

JerkasaurusRex

Member

Steve978

Member

Restorer

Member

Sniperboy

Member

Steve978

Member

Sniperboy

Member

Tc3 Toad

Member

nauqneyugn

Registered

Steve978

Member

Janissary

Member

stan03

Member

m0r7u71715

New Member

Janissary

Member

Tc3 Toad

Member

Ffats

Member

stan03

Member

Similar threads