Fwd: [GLLUG] Coffee and Electronics

[Jeff Lawton]

Distilled water would be your best bet, unpowered of course.

Jeff Lawton
Ideal Solution, LLC
517-485-2650 ext 220
jeff at idealso.com
http://www.idealso.com





pdwald wrote:
>
>
>
>
> A non polar solvent should work. It is used in hexane in organic 
> chemistry lab to clean non polar stuff. Alcohol is less polar than 
> water, but a lot more polar than hexane. WD40 is not a good choice, it 
> would be best to use Carb Cleaner or even better to use Brake Cleaner; 
> but all of them would leave a residue. The best bet as far as solvent 
> goes is to use Electronic Contact Cleaner (which can be bought at your 
> local Radio Shark store).
>
>
> On 5/3/07, *Richard Houser* < rick at divinesymphony.net 
> <mailto:rick at divinesymphony.net>> wrote:
>
>     Rubbing Alcohol is only guaranteed to be isopropyl alcohol in this
>     country.  Elsewhere, it could either be ethanol or denatured alcohol
>     (can't recall which) plus a contaminate to keep people from
>     drinking it.
>
>     Alternatively, WD40 might be useful depending on the
>     materials.  WD40 is
>     ideal for washing many electronics.
>
>     Michael Rudas wrote:
>     > On 5/2/07, Dan Ryan wrote:
>     >
>     >> Take a bit of isopropyl alcohol (not rubbing alcohol; it
>     contains carnuba
>     >> wax and that will leave a residue.)
>     >
>     > WRONG!  Rubbing alcohol is just water and 50 to 70% alcohol, no
>     wax...
>     > Alcohol is a poor solvent for sugar, anyway.
>     >
>     > Speaking as a 50-year-veteran electronic repairman/technician, a
>     much
>     > better solution is distilled water with some ammonia in it (a few
>     > drops per ounce is enough)-- a good surfactant that leaves no
>     residue.
>     >
>     > The bigger problem is removing the keycap, something that an
>     > inexperienced person is gonna have a lot of trouble doing--
>     unless you
>     > know the trick (a picture would sure help here):
>     >
>     > 1.  Take two standard paper clips and bend them straight.
>     >
>     > 2.  Bend square hooks near the center of each one so that it
>     resembles
>     > a "U" with a square bottom about 1/2 inch wide and very long tines.
>     > This is your new keycap removal tool!
>     >
>     > 3.  Grasping one clip in each hand, slip the square bottom/center
>     part
>     > of each under diagonal corners of the keycap until the tines
>     touch the
>     > edges of the key.
>     >
>     > 4.  Pull straight up, gently (a very slight rocking motion may help),
>     > with even tension on each clip, until the cap pops off.  "Gentle" is
>     > the word here-- you don't want the cap flying off to $DIETY knows
>     > where...
>     >
>     > 5.  Use the ammonia+water solution on a slightly-moistened cotton
>     swab
>     > to clean as much of the coffee off as possible, but not moist enough
>     > to flood the keyboard internals, if possible.
>     >
>     > 6.  Mop up with a dry swab.
>     >
>     > 7.  Repeat steps 5 & 6 a couple of times, at least, with clean swabs.
>     >
>     > The keycap should snap right back on when you are done, and things
>     > should be OK-- most modern keyboards are at least semi-shielded
>     > against spills.
>     >
>     > -- Mikey
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