On 12/4/2013 8:00 PM, Warren Young wrote:
> As my measurement data in the post I just sent hints, there are serious practical problems -- aside from the direct economic ones -- that restrict the utility of such high-purity alcohols. There's probably no point using it outside a cleanroom. Dust on the glassware will wreck the purity rating otherwise.
alcohol much higher than ~ 90% is hydroscopic and will absorb humidity
from the air until it reaches the azeotriopic place where its happy.
seriously, its a heat spreader, youre gonna be spreading silicone paste
on. any old alcohol will work fine, don't use /too/ much, just dampen
the wipes with it, repeat with clean wipes til the surface is clean, air
dry in a few seconds, then apply fresh arctic silver v or whatever.
frankly, for servers, I prefer using the plain white classic thermal
silicone stuff, its less conductive, and servers usually have plenty of
air and cooling, you're not overclocking them.
--
john r pierce 37N 122W
somewhere on the middle of the left coast
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