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Thermal Glue/Sticker for Heatsink

C

c00gr

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Nov 8, 2022
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Hey folks,

I recently purchased an Evergreen Technologies Spectra 233 CPU upgrade and removed the heat sink/fan assembly while cleaning/servicing the chip and board. I didn't think about it at the time, but this particular CPU doesn't have a socket 7 retaining clip that puts pressure on the heat sink to the chip itself. Originally it appears that it was an adhesive thermal sticker of some sort that was holding everything in place, and in lieu of that I used my normal thermal paste and figured gravity and time would harden up the paste and create a good bond. That hasn't really happened, so I'm curious if anyone has a good recommendation for a similar thermal sticker/adhesive or thermal glue.

Thanks!
 
Quick and dirty way to do it would be to put a glob of thermal compound in the middle of the CPU and then four drops of superglue on the edges of the CPU and squish the heatsink down on top.

Else, I'd just recommend whatever Amazon special thermal adhesive you can find, it'll probably work well enough. I wouldn't recommend thermal pads because the heat density of a CPU is too high.
 
This.is.Matt said:
Hardly a good recommendation. From the very same website :

"6) Arctic Silver 5, Céramique 2 and Arctic Alumina thermal compounds are greases and have no adhesive qualities. They will never dry or set and cannot be used to glue a heatsink to a CPU core."
Click to expand...
Arctic Silver and Arctic Alumina were available as both thermal compounds and thermal adhesives. But the only way to get the adhesive now is to buy it direct. It used to be available on Amazon and other places.
 
3M has a lot of thermally conductive adhesives, here's a link from mouser showing the products and their properties: https://mouser.com/pdfDocs/SGtapeselectionguide1.pdf I've found them to be enough for a heatsink simply sitting on a CPU but I don't think they can hold, for example, a heavier cooler mounted vertically.

Beware that thermal conductivity is nowhere near that of a good paste and these products are not intended for CPUs. But I'd say they should be adequate for 15-20W CPUs that were sometimes passively cooled without thermal paste at all and just a small heatsink mounted.
 
Ended up with some MG Chemicals 8329TCM thermally conductive adhesive… it’s definitely not going to be anywhere near as good as thermal paste as mentioned before, but I can’t imagine it’s worse than the adhesive tape/sticker that was there before… we’ll see!
 
You could always use your good thermal paste, and 4 drops of 2 Ton five minute epoxy at each
of the four corners.

Larry
 
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