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Epoxy for delidding

post #1 of 17
Thread Starter 
I need some black epoxy for when I am putting my CPU back together. What can someone recommend me from Menards, Home Depot, or Newegg.com? I do not want to use super glue like some videos recommend.
post #2 of 17
Permatex 82180. Find it at AutoZone or Advance Auto or really any hardware store.
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post #3 of 17
Piggyback question: do you even need to seal the IHS back on once you apply the liquid metal TIM? I have heard you can just hold the chip in place while lowering the retention arm and the tension will create enough of a seal to safely use the chip. Makes it easier to remove and reapply the LM TIM in the future, as you don't have to delid again.

I have also been told that you can use clear nail polish to protect the internal surface mounted transistors from shorting out on anything if you over apply LM TIM or something.

Is any of that true or MUST you re-apply a silicone or super-glue sealant?
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post #4 of 17
Thread Starter 
As for the superglue, I have seen a few Youtube horror stories involving superglue. As for the nail polish, if you just do a super thin layer, and use painters tape, there shouldn't be a reason for it.
post #5 of 17
Quote:
Originally Posted by SightUp View Post

As for the superglue, I have seen a few Youtube horror stories involving superglue. As for the nail polish, if you just do a super thin layer, and use painters tape, there shouldn't be a reason for it.
The trick with the superglue method is to first off use gel, and second if you ever need to delid the CPU again, throw it in an acetone bath, let it break down the glue and the IHS will come right off.
post #6 of 17
Quote:
Originally Posted by SOCOM_HERO View Post

Piggyback question: do you even need to seal the IHS back on once you apply the liquid metal TIM? I have heard you can just hold the chip in place while lowering the retention arm and the tension will create enough of a seal to safely use the chip. Makes it easier to remove and reapply the LM TIM in the future, as you don't have to delid again.

I have also been told that you can use clear nail polish to protect the internal surface mounted transistors from shorting out on anything if you over apply LM TIM or something.

Is any of that true or MUST you re-apply a silicone or super-glue sealant?

I relided everytime for 2 reasons: A) when you are mounting again, there is no risk the die will slide on ihs while you are applying pressure, potentially messing up metal application; B) its so much easier to deal with a lidded processor with metal inside.

7700K with glue on external corners. Doing good, 60-70C 5ghz. Coffee 8700K, relid with loctite rvt, small amount. Worked even better, im around 60c on 5 ghz. RVT in small amounts is superior, superglue, even gel, dry up everything in its radius, leaving a white dust.
There are 4 contact pins on 1151 cpus that are probably factory test, i just apply nail polisher. The substrate is basically an insulant, its not heat to the degree of the die. If you are deliding a SKX better to use some liquid electric tape to insulate all caps.
post #7 of 17
Black RTV sealant, or instant gasket
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post #8 of 17
Quote:
Originally Posted by postem View Post

I relided everytime for 2 reasons: A) when you are mounting again, there is no risk the die will slide on ihs while you are applying pressure, potentially messing up metal application; B) its so much easier to deal with a lidded processor with metal inside.

7700K with glue on external corners. Doing good, 60-70C 5ghz. Coffee 8700K, relid with loctite rvt, small amount. Worked even better, im around 60c on 5 ghz. RVT in small amounts is superior, superglue, even gel, dry up everything in its radius, leaving a white dust.
There are 4 contact pins on 1151 cpus that are probably factory test, i just apply nail polisher. The substrate is basically an insulant, its not heat to the degree of the die. If you are deliding a SKX better to use some liquid electric tape to insulate all caps.

Thanks. I'll look into the loctite rvt. This is for an 8600K.
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post #9 of 17
I dont reseal my lids... Once you clamp the socket down, the lid wont move when installing the heatsink. I have very little variation of core temp on each CPU that I have installed.

It is a little more work to install into the socket, but not to the point that I would need to seal it.

I apply a little nail polish to the exposed metal inside of the heatspreader.

If I were to delid someone elses CPU, I would reseal with black silicone... mainly for transport.
post #10 of 17
Someone told me that liquid metal can evaporate if you don't seal the IHS back completely, is that true ?
And why is there the need for delid a cpu again ? Does liquid metal wear out over time or what ?
    
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