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| General New General metalworking, machine tool, and woodworking machinery discussions |
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11-03-2009, 11:37 AM
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Diamond
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Join Date: May 2002
Location: South Central PA
Posts: 5,966
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OT - Where to get PC heat sink paste?
I removed the heat sinks from the processors in 2 PCs in order to reseat them to cure a failure to boot. In the process I disturbed the compound between the heat sinks and the processors, and I need to replace it. On the P4 it was a tape with gray paste on it, on the Xeons it looked like the paste was spread in place. No one locally can tell me what it is, or where to get it. One PC guru suggested ordinary Silicone grease. What do I need and where do I get it?
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11-03-2009, 11:40 AM
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Hot Rolled
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Join Date: Jan 2007
Location: Central MA
Posts: 895
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Shady O' Rack?
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11-03-2009, 11:40 AM
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Plastic
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Join Date: Dec 2008
Location: Berkshire County, MA
Posts: 44
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source of thermal compound for heatsinks
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11-03-2009, 11:42 AM
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Stainless
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Join Date: Nov 2004
Location: Canada
Posts: 1,570
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You need heat sink compound, most electronic suppliers offer it, either in a tube or a small tub.
Digi-Key, Newark, Mouser should have it.
DigiKey delivers next day.
Minder.
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11-03-2009, 11:56 AM
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Diamond
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Join Date: Nov 2005
Location: Maryland
Posts: 4,476
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As others have said it's called "heatsink compound".
PM me your address and I'll send you some.
Even the smallest commercial packages would last you 20 lifetimes.
Be sure to clean the original compound off completely. The two surfaces must mate without any residue separataing them.
- Leigh
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11-03-2009, 12:38 PM
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Diamond
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Join Date: May 2002
Location: South Central PA
Posts: 5,966
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PM sent, Thanks. Thanks everyone, seemed way too difficult here, I must be asking the wrong people. Again. I knew I'd get the answer on PM.
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11-03-2009, 12:45 PM
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Aluminum
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Join Date: Jun 2008
Location: Ann Arbor, MI
Posts: 138
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Quote:
Originally Posted by delTool
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There yah go that's what I use
my hobby used to be over clocking and cooling extreme computers (liquid nitrogen, phase change etc)
anyways we used arctic silver. Although the differences are minimal. Make sure you scrap off the old junk first, with a credit card wipe down with some alcohol. Those p4's ran hot!
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11-03-2009, 12:45 PM
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Stainless
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Join Date: Jan 2004
Location: Claremont, NH
Posts: 1,122
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Staples Office Supply. This is where I got it last month.
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11-03-2009, 12:50 PM
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Stainless
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Join Date: Jul 2005
Location: Virginia
Posts: 1,412
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Once saw a test of various brand cooling fluids for water-cooled PC heatsinks. The guys also ran some stale ale as a joke. It was second best in the test, LOL. 
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11-03-2009, 01:33 PM
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Stainless
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Join Date: Nov 2004
Location: Canada
Posts: 1,570
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You could also bum some from either a local TV repairer or a decent automotive service, they use it when renewing the ignition module, (or at least they should)!.
Minder.
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11-03-2009, 03:06 PM
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Cast Iron
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Join Date: Sep 2007
Location: Australia
Posts: 325
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The metal based heatsink compounds like Arctic Silver do perform better than silicone compounds as they have metal particles to conduct the heat and are electrically conductive where the silicone is also an electrical insulator for live cased semiconductor devices. So it doesn't matter if the CPU grease conducts electricity as it performs better and the CPU runs cooler than silicone.
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