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 Post subject: How to Clean Zalman CNPS7000A-Cu Copper Plate Tarnished
PostPosted: Sat Jul 10, 2004 10:53 am 
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Joined: Sat Jul 03, 2004 11:05 pm
Posts: 49
Location: Texas
I recently bought a Zalman CNPS7000A-Cu to go with my Athlong 64 3200. I noted right before placing the Zalman on the CPU that it is very tarnished. This is probably from my fingers. Does anyone know what I can use to clean this surface? I started to use an everyday brass polish, but was afraid of a possible chemical reaction when combined with the T44 HeatSink Compound on the processor.

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Joe

A64 3000 1MB Cache, MSI Neo Fisr2, Corsair Platinum Twins 512MB Each, All in Wonder 9600XT, Startech 500 Silent, Plextor CDRW & DVDRW, Seagate 7200.7 80 Gig X 2, Zalman CNPS7000, 4 Panaflo 80L 2 Pulling & 2 Pushing


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 Post subject:
PostPosted: Sat Jul 10, 2004 3:33 pm 
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Joined: Fri Apr 23, 2004 12:57 am
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Location: Ontario, Canada
don't think you're supposed to use polish. try isopropyl alcohol or acetone.


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 Post subject:
PostPosted: Sat Jul 10, 2004 3:48 pm 
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Joined: Sun Aug 11, 2002 3:26 pm
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Location: Phoenix, AZ
Actually vinegar is really good for removing tarnish from copper. Just boil the heatsink in a vinegar/water solution for a couple hours.

(obviously that requires removing it from the CPU and removing the fan :wink: )

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 Post subject: Tech Support Forum site at Zalman
PostPosted: Sat Jul 10, 2004 10:27 pm 
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Location: Texas
I visited in a forum with tech support guy from Zalman today. He told me to use a brass polish and then remove the residue with Alcohol and soft cloth.

I with I had read your replies first, it would have been a whole lot cheaper.

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Thank You,
Joe

A64 3000 1MB Cache, MSI Neo Fisr2, Corsair Platinum Twins 512MB Each, All in Wonder 9600XT, Startech 500 Silent, Plextor CDRW & DVDRW, Seagate 7200.7 80 Gig X 2, Zalman CNPS7000, 4 Panaflo 80L 2 Pulling & 2 Pushing


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 Post subject:
PostPosted: Sun Jul 11, 2004 9:09 am 
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I have heard ketchup works for oxidation and discoloration on copper


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 Post subject:
PostPosted: Sun Jul 11, 2004 3:45 pm 
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Location: Reading, UK
KETCHUP ...????

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 Post subject:
PostPosted: Sun Jul 11, 2004 4:02 pm 
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Location: Phoenix, AZ
And the main ingredient is ketchup is..... :wink: It's the acid that does it, it pulls the copper oxide into solution.

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 Post subject: All sorts o' food would work...
PostPosted: Sun Jul 11, 2004 5:29 pm 
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Joined: Mon Dec 09, 2002 7:11 pm
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Location: Maynard, MA, Eaarth
Coca Cola probably would work, too. It has been used as a rust remover -- it also has an acid...

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 Post subject: Already fixed, Thanks Everyone.
PostPosted: Sun Jul 11, 2004 6:17 pm 
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Location: Texas
I just ended up using some brass cleaner and then wiped everything off real well using some alcohol.

Per recommendation from the tech at Zalman.

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Thank You,
Joe

A64 3000 1MB Cache, MSI Neo Fisr2, Corsair Platinum Twins 512MB Each, All in Wonder 9600XT, Startech 500 Silent, Plextor CDRW & DVDRW, Seagate 7200.7 80 Gig X 2, Zalman CNPS7000, 4 Panaflo 80L 2 Pulling & 2 Pushing


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