Suggestions for good old rosin flux? I have never tried cleaning it, but the brown-black residue is ugly.
On Jan 15, 5:05 pm, [email protected] wrote: > There are specialty no-clean flux formulas avail that leave a bit of clear > residue around the joint. > > If you want to use just water (no solvent), there are also washable fluxes > avail. > > I've had the same white residue problem with some rosin based fluxes > (especially those that are paste or tacky gel based). Never really got it all > off with IPA. I ended up using a small ultrasonic cleaner with a naptha bath. > > Might not be the best solvent, but it gets it all off. I don't think it'll be > a good idea too if you have some kinda transducer or something that's open > and mounted on the pcb. > Sent via BlackBerry > > > > > > > > -----Original Message----- > From: Sean Voisen <[email protected]> > > Sender: [email protected] > Date: Sun, 15 Jan 2012 13:50:13 > To: <[email protected]> > Reply-To: [email protected] > Subject: [neonixie-l] Cleaning PCBs > > Hello all, > > Not exactly 100% on-topic, but I'm curious if those of you building > clocks on PCBs are cleaning your boards after soldering, and if so > what you're using to do so. I've been using 91% isopropyl alcohol and > an old stiff toothbrush with mixed results. Mostly - especially with > so-called "no clean" flux - it leaves a white residue that I then I > have to wash off with running or distilled water. It works, but it's a > slow and imperfect process. I'd like something better. > > Perhaps I need to try to find 99% IPA (not sure it will make much > difference) or change flux ... > > Cheers, > Sean > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/neonixie-l?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
