[sdiy] Ultrasonic cleaning solutions

Andrei Kudryavtsev andrei.kudryavtsev at gmail.com
Thu Sep 28 17:21:43 CEST 2023


Thank you, I bought SWAS. Can't wait to try it and see the magic in action.

On Thu, Sep 28, 2023 at 7:51 AM grant musictechnologiesgroup.com <
grant at musictechnologiesgroup.com> wrote:

> What kind of flux?
>
> These guys address similar questions quite often. You might find something
> in the archives or ask a new question of them:
>
> https://www.circuitinsight.com/channels/board_talk.html
>
> GB
>
>
> ------ Original Message ------
> From "Andrei Kudryavtsev via Synth-diy" <synth-diy at synth-diy.org>
> To "Synth DIY" <synth-diy at synth-diy.org>
> Date 9/28/2023 1:00:32 AM
> Subject [sdiy] Ultrasonic cleaning solutions
>
> Hi All,
> I have PCBs with SMD and TH parts, and also with plastic connectors. SMD
> parts are machine soldered, TH components are manually installed. Obviously
> some flux residue is visible from manual soldering.
> I have a 22L ultrasonic cleaner with a temperature control.
> The boards are quite large, like 100x250mm or so.
> Wondering if you can share some experience using an ultrasonic cleaner to
> avoid solvent based sprays and mechanical cleaning.
> There are some threads of using IPA inside small zip lock bags to avoid
> evaporation, which seems to work well for small boards and is relatively
> safe. However it's not my option due to the board size.
> I also see some "ultrasonic flux remover" detergents on eBay, but for some
> reason they are all in the UK.
> Also I found the specialized Flux Off by Chemtronics but have never tried
> it.
> Please, suggest.
>
> --
> Andrei Kudryavtsev,
>
> My last album *Two Match - The 1st Fill* on iTunes
> <http://itunes.apple.com/us/album/the-1st-fill/id1241529125> and Spotify
> <https://open.spotify.com/album/4aM8DzmN5yi4ho1gcmC8ls>
> Follow me on Facebook <https://www.facebook.com/andrei.kudryavtsev.5>,
> Instagram <https://www.instagram.com/deftaudio/>
>
> Music technologies by
> Deftaudio www.tindie.com/stores/Deftaudio
>
>

-- 
Andrei Kudryavtsev,

My last album *Two Match - The 1st Fill* on iTunes
<http://itunes.apple.com/us/album/the-1st-fill/id1241529125> and Spotify
<https://open.spotify.com/album/4aM8DzmN5yi4ho1gcmC8ls>
Follow me on Facebook <https://www.facebook.com/andrei.kudryavtsev.5>,
Instagram <https://www.instagram.com/deftaudio/>

Music technologies by
Deftaudio www.tindie.com/stores/Deftaudio
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