Re: Thermal Grease/Adhesive (?)
- From: Jim Yanik <jyanik@xxxxxxxxx>
- Date: 11 Oct 2005 02:36:36 GMT
"Richard Crowley" <richard.7.crowley@xxxxxxxxx> wrote in
news:dieuno$keb$1@xxxxxxxxxxxxxxxx:
> "CitizenRuth" wrote ...
> ....
>> I learned about some stuff that's called Thermal Adhesive, but
>> apparently that stuff is supposed to be permanent, so mine can't be
>> that. I read that grease has no adhesive properties, so it's not
>> that either.
>>
>> Maybe it doesn't matter, if I don't have to clean the old and apply
>> new - that would be great! I don't really see why I can't just screw
>> the frames together and leave the old stuff where it is.
>
> Not advisable. The act of disassembly looses the "excess" that
> squeezed out from the surfaces, and you can't really effectively
> recover all of it to reuse. Besides if it got very hot, the compound
> may have partially "dried up" making it more difficult to get the
> thermal coupling the second time around.
>
>> But if I have to clean and reapply, can you please help me to 1)
>> identify the compound and 2) figure out how to clean off the old
>> stuff.
>
> Should be able to use standard heatsink compound (gooey,
> white stuff) which is widely sold to people constructing their
> own PCs. It is used between the CPU chip and the heat sink
> in the computer. Should be able to buy this stuff anywhere
> computer CPUs, heatsinks, etc. are offered.
>
> I usually clean off the old stuff with alcohol and a rag (or Kleenex,
> etc.)
>
>
>
WHITE HS compound contains either alumina or beryllium [oxide?];that's what
makes it white and thermally conductive(no silicone,AFAIK),and there are
clear -silicone- greases made by Dow Corning.The white compound has some
solvent that dries out after some time. Silicone grease will not dry out.
--
Jim Yanik
jyanik
at
kua.net
.
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