Electronics Forum | Tue Mar 15 10:18:15 EDT 2011 | grahamcooper22
Hi, Does anyone have any experience of cleaning lead free solder paste residues off pcbs in a vapour degreasing process using Ensolv Ionic ? Any guide as to the best cleaning cycle would be appreciated. thanks
Electronics Forum | Thu Mar 17 15:34:35 EDT 2011 | grahamcooper22
Dear Rick , thanks for your reply. It is very helpful. I'll get chance to try the Ensolv in a lab next week to see if we can remove the paste residues. Thanks again
Electronics Forum | Thu Mar 17 09:53:20 EDT 2011 | rperkins
Hi Graham, I've worked in the industry selling EnSolv, Lenium, and now ENTRON solvents, which are all based on stabilized NPB. These solvents do not always clean the no lead pastes. The problem is that the pastes are becoming more like adhesives,
Electronics Forum | Tue Dec 02 05:57:10 EST 2003 | ADAM
Can Anyone tell me whether or not vapour degreasing is commonly use for cleaning and degresing popoulated pcb's ? what criteria is used when selecting a vapour degreasing solvent ? Where can I find some application notes on this subject ? Thanks in
Electronics Forum | Thu May 18 10:42:41 EDT 2006 | stepheniii
I don't think so. But I want to point out the amount of lead needed to contaminate a joint is microscopic. You won't have lead vapour in your oven and with a clean oven there probably isn't any other way for even a microscopic amount of lead to con
Electronics Forum | Thu Jun 07 05:11:42 EDT 2012 | cp38260
Hi, I have pcbs (Duroid/RT 5880) with raw copper, soldered in vapour-phase chamber at 230 degrees Celsius. During soldering, copper gets tarnished. Cleaning with Vigon A250 removes the tarnished layer. Indeed, in the VigonA250 techn. datasheet it is
Electronics Forum | Mon Dec 22 11:48:45 EST 2003 | donbell
Adam: The last one I saw was in communist China back in '98. I have used Lenape machines with freon in the past but am using spray and ultrasonic cleaning techniques since the early 90's. I'm surprised to see someone asking about them! Don
Electronics Forum | Thu Mar 18 02:52:31 EST 2004 | Sam
Mike we make electronics assemblies for military and commercial aircraft sector. We are genrally looking at cleaning populated printed circuit boards. Sam.
Electronics Forum | Tue Dec 02 08:16:21 EST 2003 | Daniel Werkhoven
Dear Adam, Yes, today certain companies are still using this cleaning technic to clean assembled PCB's. To be able to give you the right advise, I need to know what kind of fluxes are you using into your soldering processes and what level of cleanlin
Electronics Forum | Wed Oct 13 04:30:01 EDT 1999 | Brian
Hi! I recently remarked on a thread that so-called VOC-free fluxes weren't. As a result, I got three private e-mails asking what I meant. As this seems to be unclear, I'm starting a new thread with my explanation, rather than sending out the answers
