[time-nuts] LCD display connector

William H. Fite omniryx at gmail.com
Tue Jan 4 11:22:27 EST 2011


I've been cleaning camera lenses, precision optics, and connectors for
twenty years with a single bottle of "Everclear," the old standby of frat
house parties.  I've no idea how much water it has accumulated over the
years but it was 151 proof to begin with so it had plenty when I opened the
bottle.  Nonetheless, it cleans my telescope primary mirrors (with which I
am VERY careful) and leaves not a trace of residue.




On Tue, Jan 4, 2011 at 10:50 AM, Javier Herrero <jherrero at hvsistemas.es>wrote:

> El 04/01/2011 16:23, Chuck Harris escribió:
>
> [You possibly weren't aware, but denaturing is done 100% for the tax man.
>>
>> The tax man is happy to let you have your ethanol free of the sin tax,
>> as long as some poison is added that will kill or maim you, if you drink
>> it.]
>>
>> It is really nice - if you defraud the tax-man by drinking that alcohol,
> you dead :)
>
> 91% and 99% isopropyl alcohol, available from your drug, or grocery, store
>> is perfectly suited to cleaning electronic assemblies, such as the OP's
>> LCD
>> display connector.  It is economical, available everywhere, and works very
>> well.  The more water in it, the less well it works as a solvent, so it is
>> better to start with the 99% variety.
>>
>> If you are doing critical chemistry experiments, or something where you
>> absolutely, positively, must have the purest form known to man, with a
>> traceable provenance, pay the extra money and buy from a chemical supplier
>> you trust.
>>
>> I usually buy it from Farnell, in 1-litre can and in aerosol form, made by
> Electrolube. Here is the data sheet
> http://www.farnell.com/datasheets/316731.pdf
>
> It claims 99.7% purity, 0.15% max water content (I suspect that the can
> quickly exceeds that content once opened...)
>
> Regards,
>
> Javier
>
>
>
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