I use denatured alcohol and a tooth brush, lots of alcohol to flush the rosin away. It doesn't leave the film that isopropyl alcohol does :)
-joe On Sun, Jan 15, 2012 at 5:21 PM, Thomas Kreschollek <[email protected]>wrote: > 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. > > -- 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.
