Not necessarily: some ceramics are extremely thermally conductive.
Kim N5OP
"People that make music together cannot be enemies, at least as long as the
music lasts." -- Paul Hindemith
> On Feb 5, 2015, at 7:58, Mike Waters <mikewate@gmail.com> wrote:
>
> I just ordered Arctic Silver thermal grease from Newark. What I actually
> received was labeled "Arctic Alumina", "Premium Ceramic Polysynthetic
> Thermal Compound, By Arctic Silver". It's white, and not silver-colored
> like some kind of thermal grease that I had in the past. It was
> drop-shipped from MCM Electronics, and no mention was made of the above
> details when I ordered it on Newark's main web site.
>
> According to what I found on a couple of computer overclocking web sites,
> the thermal conductivity of Arctic Silver 5 (containing actual powdered
> silver) and what I received above (with no silver), is the same. I don't
> know how that can be the true, since silver is so much more thermally
> conductive than anything else except copper. Anyone have any experience or
> thoughts on this?
>
> 73, Mike
> www.w0btu.com
>
> On Wed, Jan 28, 2015 at 8:50 PM, Gary Smith <Gary@ka1j.com> wrote:
> [Subject was: Re: [Amps] Astron Power Supply replies]
>
>> Mention was made of Arctic Silver; I have some Arctic Silver 5 & some of
>> their Ceramique which I too used in overclocking computers. I can certainly
>> remove & replace the heat sink compound with this, not a big job and using
>> it did lower my core temps on the computer processor.
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