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68322Re: Removing Flux

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  • cc_photo
    Sep 3 12:14 PM
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      For what it is worth ... I usually remove excess flux using dental
      picks. Easy to get all flux out without the chemical problems that can
      crop up. Just blow scrapped flux off/out with a little compressed air.

      Roland, KB8XI

      --- In softrock40@yahoogroups.com, Zack Widup <w9sz.zack@...> wrote:
      >
      > I've been using MEK and Q-tips. I know there are a lot of safer
      > chemicals around but I use it in a well-ventilated area. It seems to
      > be safe on all non-plastic electronic parts - IC's, chip caps and
      > resistors, through-hole caps and resistors, etc. I am always very
      > careful around trimmer caps with plastic cases; I just carefully swab
      > around the soldered contacts to get as much of the flux off as I can.
      >
      > 73, Zack W9SZ
      >
      >
      > On 9/1/12, Thomas Horsten thomas@... wrote:
      > > Never leave the flux on. It is corrosive and conductive and can
      cause
      > > problems if left in place. In addition a clean PCB is far easier to
      > > visually inspect for problems.
      > >
      > > I use Chemtronix Flux-Off, it comes in a spray can with an attached
      brush
      > > and is a very quick and easy way to clean up the board after
      soldering and
      > > making a mess with flux.
      > >
      > > 73, Thomas M0TRN
      > >
      > > On 1 September 2012 17:44, Kevin Kleinfelter kevin@... wrote:
      > >
      > >> Aesthetics aside, is there a practical reason why I should remove
      flux
      > >> from my circuit board, before ensconcing my RXTX in a case (where I
      hope
      > >> it
      > >> will live happily ever after)?
      > >>
      > >> I don't care what it looks like inside the case, but I've read
      sales
      > >> drivel which suggests that the flux may degrade over time into a
      mildly
      > >> conductive salt. Is this a realistic concern? If so, what do you
      use to
      > >> wash the back side of the board?
      > >> Thanks,
      > >> Kevin /K4KPK
      > >>
      > >>
      > >
      >
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