Electronics Forum | Mon Apr 22 21:10:07 EDT 2002 | davef
Russ: What is the composition of this non-ionic material on your pads?
Electronics Forum | Tue Aug 16 06:03:37 EDT 2005 | grantp
Hi, Are they no clean fluxes? Regards, Grant
Electronics Forum | Tue Aug 16 09:13:28 EDT 2005 | russ
It appears that the flux was burnt over the wave process. I have seen this before. Are you using convection heat?
Electronics Forum | Wed Aug 17 22:25:05 EDT 2005 | davef
As others said, it appears that this mask and than flux are not compatible.
Electronics Forum | Wed May 16 12:11:03 EDT 2007 | slthomas
Is the frame turning white or is it the flux residue? What kind of flux, WS or NC?
Electronics Forum | Thu May 17 07:43:24 EDT 2007 | d0min0
white residues but on top & bottom, flux is NC 94-rxzm from Cobar
Electronics Forum | Thu Jun 07 07:30:16 EDT 2007 | jdumont
What type of residue is it. Are you sure its not the solder mask turning white? Odd that it would only be on the bottom...
Electronics Forum | Thu Dec 09 00:15:55 EST 1999 | Vinesh Gandhi
Thanks for your feedback. I definitely agree with your viewpoints. Can you send across any documents/papers through e-mail or post them on the smtnet which clearly describes the HARMFUL EFFECTS OF WHITE RESIDUES. My customer's only apprehension is
Electronics Forum | Wed Apr 24 21:27:10 EDT 2002 | davef
50�C. * Boards are too hot to be cleaned. Yes, saponified cleaners will remove heat decomposed WS flux. Well, I suggested changing paste to another poster, because he mentioned overheated solder connections and I guessed that his white residue was
Electronics Forum | Thu Jan 14 22:59:08 EST 1999 | Chris G.
I get white residue on my PCBs after vapor degreasing. No comments on the vapor degreaser. Yes, I still use one of these. I use a vapor degreaser and a 1,1,1 replacement solvent due to the quick clean and quick dry times. Anyway, I only get white
