<div dir="ltr">I'd like to share some experiences using SWAS. Clearly, it's working. <div>I pre-heated it at 45C as recommended by the datasheet and ran for 5 minutes. All flux has been removed. I should be very happy, but one thing that concerns me, that the solder lost his shine. Next time I'll reduce the time down to 3 minutes and see the result. The matte solder is not from the drying process or some residue left during washing, it became like that during ultrasonic cleaning. </div><div><br></div><div>p.s. Anybody else noticed how similar it looks and smells to Windex? :)  <div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 29, 2023 at 3:21 AM Roman Sowa <<a href="mailto:modular@go2.pl">modular@go2.pl</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">DON'T wash any potentiometers in anything, unless the potentiometer is <br>
sealed model as explicitly described in datasheet that is "sealed" and <br>
safe for washing.<br>
There's no practical way of washing only part of the board leaving some <br>
sensitive parts above fluid level.<br>
<br>
Roman<br>
<br>
W dniu 2023-09-28 o 19:14, Jesse Weideman pisze:<br>
> Is this stuff OK to use with pots, or can you submerge just the board & <br>
> pot legs while leaving the shaft & body out of the solution?<br>
> <br>
> Would assume it'd eat all the lubrication at minimum and most of our <br>
> annoying looking flux is after we've mounted mechanicals, curious if <br>
> there's a way around that<br>
> <br>
> Cheers,<br>
> Jesse<br>
> <br>
> On Thu, Sep 28, 2023, 7:48 AM Roman Sowa <<a href="mailto:modular@go2.pl" target="_blank">modular@go2.pl</a> <br>
> <mailto:<a href="mailto:modular@go2.pl" target="_blank">modular@go2.pl</a>>> wrote:<br>
> <br>
>     Electrolube SWAS.<br>
> <br>
>     Water based, smells nice (if you like that kind of smell) and does<br>
>     marvelous job. It can be dirty as hen house floor and still does its<br>
>     magic. Unlike IPA, which only takes one drop of dirt in 5L tank to make<br>
>     it unuseable.<br>
>     I change mine only every couple of years.<br>
> <br>
>     Roman<br>
> <br>
>     W dniu 2023-09-28 o 10:00, Andrei Kudryavtsev via Synth-diy pisze:<br>
>      > Hi All,<br>
>      > I have PCBs with SMD and TH parts, and also with plastic<br>
>     connectors. SMD<br>
>      > parts are machine soldered, TH components are manually installed.<br>
>      > Obviously some flux residue is visible from manual soldering.<br>
>      > I have a 22L ultrasonic cleaner with a temperature control.<br>
>      > The boards are quite large, like 100x250mm or so.<br>
>      > Wondering if you can share some experience using an ultrasonic<br>
>     cleaner<br>
>      > to avoid solvent based sprays and mechanical cleaning.<br>
>      > There are some threads of using IPA inside small zip lock bags to<br>
>     avoid<br>
>      > evaporation, which seems to work well for small boards and is<br>
>     relatively<br>
>      > safe. However it's not my option due to the board size.<br>
>      > I also see some "ultrasonic flux remover" detergents on eBay, but<br>
>     for<br>
>      > some reason they are all in the UK.<br>
>      > Also I found the specialized Flux Off by Chemtronics but have never<br>
>      > tried it.<br>
>      > Please, suggest.<br>
>      ><br>
>      > --<br>
>      > Andrei Kudryavtsev,<br>
>      ><br>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Andrei Kudryavtsev,</div><div><br></div><div>My last album <b>Two Match - The 1st Fill</b><span style="font-size:12.8px"> on </span><a href="http://itunes.apple.com/us/album/the-1st-fill/id1241529125" style="font-size:12.8px" target="_blank">iTunes</a><span style="font-size:12.8px"> </span>and <a href="https://open.spotify.com/album/4aM8DzmN5yi4ho1gcmC8ls" target="_blank">Spotify</a></div><div>Follow me on <a href="https://www.facebook.com/andrei.kudryavtsev.5" target="_blank">Facebook</a>, <a href="https://www.instagram.com/deftaudio/" target="_blank">Instagram</a></div><div><br></div><div>Music technologies by </div><div>Deftaudio <a href="http://www.tindie.com/stores/Deftaudio" target="_blank">www.tindie.com/stores/Deftaudio</a></div></div></div></div></div>