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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums.

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Unread 03-06-2005, 05:29 PM   #1
andy497
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Join Date: Mar 2005
Location: MI
Posts: 34
Default Arctic Silver variations?

I've still got a stockpile of Arctic Silver 2 that I'm working through. I'm putting in new blocks now, and I wonder if it's worth it to move up to 5, ceramique, etc.

I know they have some published numbers on their site, but if I read it correctly, AS2 actually has a lower C/W number than AS5. I'm guessing that's not right. Given that the block/die junction is probably the most important part in a cooling system, do these different iterations of transfer compounds make a big difference? Most folks would probably never know for sure, but I'm guessing some of you procoolers have tested the same system with different pastes.
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Unread 03-06-2005, 07:39 PM   #2
Rufus210
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Just use some toothpaste

Honestly you might see 1-2C difference between AS2 and AS5, but unless you're pushing for the absolute last percent performance I don't see it as really being significant.
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Unread 03-06-2005, 10:52 PM   #3
JWFokker
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Eh. I like Nanotherm PCM+ personally. Prior to this, I used Ceramique.
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Unread 03-07-2005, 02:49 AM   #4
Les
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Incoherent's,possibly definitive , measurements reported here .



Note the measurements are for a 144mm^2 interface under a PRESSURE of 13.9 kgf/cm2
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Unread 03-07-2005, 06:40 AM   #5
Jimbo Mahoney
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What the heck is SX 25?

And anything to relate that pressure to?
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Unread 03-07-2005, 07:25 AM   #6
Incoherent
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Quote:
Originally Posted by Jimbo Mahoney
What the heck is SX 25?

And anything to relate that pressure to?
SX-25 is a prototype grease for testing.

The pressure I used is rather approximate. I used force sensitive resistors to measure the force applied by the four mounting springs I use when they are compressed a certain amount. I did all the tests with the springs compressed this same amount. This amounts to approximately 20kg of pressure on 1.44cm^2. About 13.9kgf/cm^2.
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