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Chill Factor III Consistency?

post #1 of 3
Thread Starter 
I recently picked up a Silver Arrow cooler. I am very impressed with the build quality and after a little bracket grinding/filing to clear the heatsinks on my P8Z68 Gen 3, I am ready to mount it.

However, I have a question regarding the CF3 paste that was included. When I attempted to apply, it comes out of the tube a dull grey consistency (not shiny or dark), and clumps as soon as I attempt to spread it. If I mash the clump out, it smears as more of a car wax consistency instead of the toothpaste consistency I am used to applying with other brands (prior experience is with AS5). Is this normal, or might the included CF3 paste be old/contaminated? It is definitely way more 'car wax' than any AS5 I've used in the past!

Thanks very much for any advice.
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post #2 of 3
It's normal. Better TIMs tend to be dryer and less spreadable because they contain fewer oils and volatiles relative to filler. The liquid parts of nearly all TIMs have terrible thermal conductivity, so the idea is to use as little liquid as necessary for application and surface wetting.

You should not be attempting to spread it (even if it does come with a spreader card). The pressure of the heatsink being mounted and secured will do that better than you can.
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by Blameless View Post

It's normal. Better TIMs tend to be dryer and less spreadable because they contain fewer oils and volatiles relative to filler. The liquid parts of nearly all TIMs have terrible thermal conductivity, so the idea is to use as little liquid as necessary for application and surface wetting.
You should not be attempting to spread it (even if it does come with a spreader card). The pressure of the heatsink being mounted and secured will do that better than you can.

Thanks Blameless. That was exactly what I was looking to find out.

I appreciate the caution on spreading-- I actually don't manually spread it (I use the two thin lines, 1/2 length of cpu each, spaced 1/3 length of cpu apart method). I just tried spreading it on a card beforehand to see what I should expect once I applied pressure to the heatsink.

Cheers!
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i5 2500K ASUS P8Z68 V-PRO Gen3 CF Unlocked Radeon 6950's  4x 4GB G.Skill Ripjaws X 2133  
Hard DriveCoolingOSMonitor
Samsung 830 128GB Sata III SSD Thermalright Silver Arrow (Stock TY-140's Pull-... Win7 Home Prem 64 Dell 2408WFP 
KeyboardPowerCaseMouse
Logitech G15 SeaSonic X750 Gold Antec Nine-Hundred-Two V3 Logitech G9 
Audio
Musical Fidelity V-DAC 
  hide details  
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Primary
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K ASUS P8Z68 V-PRO Gen3 CF Unlocked Radeon 6950's  4x 4GB G.Skill Ripjaws X 2133  
Hard DriveCoolingOSMonitor
Samsung 830 128GB Sata III SSD Thermalright Silver Arrow (Stock TY-140's Pull-... Win7 Home Prem 64 Dell 2408WFP 
KeyboardPowerCaseMouse
Logitech G15 SeaSonic X750 Gold Antec Nine-Hundred-Two V3 Logitech G9 
Audio
Musical Fidelity V-DAC 
  hide details  
Reply
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