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Do you need to re-apply thermal paste everytime you take off heatsink?

Last response: in Overclocking
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April 18, 2012 4:24:55 PM

Is it necessary to re-apply thermal paste every time you take off the heatsink? Even if it's just for a few seconds? Like if you put the heatsink on and use your pc for a few hours and then you want to check the spread of the thermal paste so you take the heatsink off to look really quick. Can you just put it back on afterwards or should you apply paste again?

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April 18, 2012 4:29:24 PM

I think it depends on how long the heat sink was on the cpu, if the paste has cured (dried) then I would say yes, if not, you may just want to make sure the coat is even and use the same stuff.
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April 18, 2012 4:34:26 PM

Ok that makes sense. Except it seems it'll be harder to get an even layer after you remove the heatsink since some of the paste will be on the heatsink and some will be on the cpu.
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April 18, 2012 4:41:42 PM

Even it out on both, or if you don't feel it to be adequate, add a little more if you need to. The problem is keeping it smooth and level.
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April 18, 2012 4:54:24 PM

k thx. Do you know if there's a tool you can buy that can perfectly apply an even layer of thermal paste? That seems like something that should have been invented and included with paste. It'd be a real time saver and avoid common issues like uneven layers or putting too much paste on.
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April 18, 2012 4:59:45 PM

Unfortunately I don't believe there is such a tool.. I use a credit card or something of that sort and aside from factory paste settings, the closest you can get to perfect is good hand eye coordination :) .
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Anonymous
a b K Overclocking
April 18, 2012 5:05:59 PM

make sure u buy a good quality paste.
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April 18, 2012 5:11:37 PM

Hmm maybe I should invent one...

It'd be the only product of its kind in the world and I'd be rich :) 

At least until everyone started copying it.
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April 18, 2012 5:17:06 PM

Lol, I say you do it! I get 49% of the company right? :) 
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April 18, 2012 5:29:02 PM

heheh well... I'd give you a free tool ;) 
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April 18, 2012 5:35:56 PM

I'd be down with that lol. Or you can select me as best answer :) 
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April 18, 2012 5:43:22 PM

Best answer selected by flyz.
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April 18, 2012 5:43:58 PM

done. thx for the help!
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April 18, 2012 5:47:19 PM

No problem, good luck with your invention :) 
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