Electronics Forum | Thu Sep 06 10:55:37 EDT 2001 | davef
saturation occurs at ppm levels. Remember, IPA is extremely flammable and its bulk use makes the plant liable to all sorts of quite repressive safety rules/regulations and so on. Ignoring these rules exposes the owner to fines and possible plant cl
Electronics Forum | Wed Sep 05 14:53:45 EDT 2001 | Jeff Meier
We have customers that are requiring no flux residue left on boards after soldering of non-water washable parts. We currently use Multicore Crystal 502 No-Clean to solder parts that are not washable. Has anyone come up with a good way to remove this
Electronics Forum | Thu Sep 06 09:49:26 EDT 2001 | ksfacinelli
This is a real problem. We have experimented with a number of off the shelf products as well as discussed the issue with a few solder manufacturers. As you are aware IPA or Flux off can make the product look worse. I would discuss with the custome
Electronics Forum | Wed Jun 23 17:56:31 EDT 2004 | Shean Dalton
Acetone is likely not compatible with several component types, the evaporation charactoristics are desirable. IPA is more compatible, though, may not solubilize the residues. Austin American Technology developed MegaSolv JB and MegaSolv NOC for the
Electronics Forum | Mon Feb 27 19:48:32 EST 2006 | stepheniii
I'm not sure that would be valid. My understanding was that solids were trapped by other non-active flux residue. Which is why you can leave them on and why you see white residue after washing. I think the ROSE test would release particles that woul
Electronics Forum | Tue Feb 28 14:32:26 EST 2006 | masrimhd
As I know, the encapsulation effect occurs only with rosin based fluxes. So if you have a PBA soldered using RA Flux, you should either wash it well, or leave it alone and it will be safe. For NC process the story is different because there�s no re
Electronics Forum | Fri Nov 03 11:30:29 EDT 2017 | davef
regarding dwl comment, "For low volume hand assembly, deionized water or IPA should work fine." Deionized water: Deionized water is corrosive. It needs to be removed. Proof? Drop a copper coin into a covered jar of DI water and watch what happens ov
Electronics Forum | Fri Jul 19 21:19:25 EDT 2002 | yngwie
Hi, I know this is a total screwed-up. Operator used the wrong paste. It was supposed to be a clean paste but she was issued with no clean paste. What happen was when the brd processed thru', after the reflow, the girl passed the boards thru' DI wa
Electronics Forum | Sat Jul 20 09:02:04 EDT 2002 | davef
Probably 2) what is this white residue material (chemically )? => Natural or synthetic rosin 3) Can Saponifier wash, helps? If not what is the best solution to remedy this white residue. => Probably a saponifier will work. Some NC flux residues
Electronics Forum | Fri Nov 03 15:43:20 EDT 2017 | dleeper
IPA and DI water are both very common and effective methods of cleaning PCBAs. http://www.zestron.com/sa/cleaning-applications/smt-electronic-cleaning/pcba-cleaning/aqueous-cleaning.html http://blog.gotopac.com/2010/11/18/ipa-as-a-universal-cleaner
