[sdiy] Flux residue removal

Scott Gravenhorst music.maker at gte.net
Sat May 19 12:38:01 CEST 2018


paula at synth.net wrote:
>As Scott says, IPA and a int free cloth..
>IPA is found online without much hassle :)

Oh dang!  I've been using a free floating point cloth...

(sorry, I'm sure it's a typo for "lint", but I couldn't resist)

:) :) :)


>
>On 2018-05-18 21:17, Scott Gravenhorst wrote:
>> I was able to get 99% isopropanol online.  Google is your friend, I
>> see it at Walmart
>> and several other places.  I suspect that a reason it is either not
>> stocked or bought
>> up in stores is that it can be use to process cannabis into a more
>> concentrated form.
>> I was also informed that IPA is not a proper abbreviation for it and
>> that IPA really
>> stands for India Pale Ale...  :)
>> 
>> KA4HJH <ka4hjh at gmail.com> wrote:
>>> 
>>> --
>>> Content-Type: multipart/alternative; boundary
>>> 
>>> 
>>> --Apple-Mail
>>> Content-Transfer-Encoding: quoted-printable
>>> Content-Type: text/plain;
>>> 	charset
>>> 
>>> What's the consensus on removing rosin flux residue these days?
>>> What chemical(s) to use, how much elbow grease? I have acetone
>>> and denatured alcohol (ethanol) on hand. I can't find any 99% IPA
>>> locally, only 91%.
>>> 
>>> Back in the mid-Eighties I worked on cable TV amplifiers and we
>>> used spray cans of some sort of CFC to remove flux residue. The
>>> stuff blasted it off the board in half a second. We went through
>>> cases of it. So much for the ozone layerwe did our part in
>>> damaging it.
>>> 
>>> 
>>> Terry Bowman, KA4HJH
>>> "The Mac Doctor"
>>> 
>>> 
>>> --Apple-MailAA4329E-F46A-455F-A1C0-A2BD5D63B355
>>> MIME-Version: 1.0
>>> Content-Type: text/plain; charsettf-8"
>>> 
>>>   What's the consensus on removing rosin flux residue these days? What
>>>   chemical(s) to use, how much elbow grease? I have acetone and 
>>> denatured
>>>   alcohol (ethanol) on hand. I can't find any 99% IPA locally, only 
>>> 91%.
>>> 
>>>   Back in the mid-Eighties I worked on cable TV amplifiers and we used
>>>   spray cans of some sort of CFC to remove flux residue. The stuff
>>>   blasted it off the board in half a second. We went through cases of 
>>> it.
>>>   So much for the ozone layer--we did our part in damaging it.
>>>   Terry Bowman, KA4HJH
>>>   "The Mac Doctor"
>>> 
>>> --Apple-MailAA4329E-F46A-455F-A1C0-A2BD5D63B355--
>>> 
>>> --4446785808395554476
>>> Content-Type: text/plain; charsets-ascii"
>>> MIME-Version: 1.0
>>> Content-Transfer-Encoding: 7bit
>>> Content-Disposition: inline
>>> 
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at synth-diy.org
>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>> 
>>> --4446785808395554476-
>>> 
>> 
>> -- ScottG
>> ________________________________________________________________________
>> -- Scott Gravenhorst
>> -- http://scott.joviansynth.com/
>> -- When the going gets tough, the tough use the command line.
>> -- Matt 21:22
>> 
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
>> http://synth-diy.org/mailman/listinfo/synth-diy
>

-- ScottG
________________________________________________________________________
-- Scott Gravenhorst
-- http://scott.joviansynth.com/
-- When the going gets tough, the tough use the command line.
-- Matt 21:22




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