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 | Wed Jan 30 17:12:45 EST 2013 | dyoungquist
Solvent makes me think of dissolve which leads me to cleaning something. If you are trying to clean stencils, blades, etc. try this link to the product we use: http://www.techspray.com/product-info.php?pId=3&cId=17
Electronics Forum | Wed Jan 30 15:10:09 EST 2013 | hegemon
Restoration of the fluxing properties? Can't see adding a liquid flux to a solder paste (assumed expired shelf life) in order to "restore" anything. If the volatiles in the original paste are gone, then adding more carriers and volatiles will not pr
Electronics Forum | Wed Jan 30 19:59:22 EST 2013 | hegemon
To dyoungquist - I understand that situation. I can see where that is possible in the case that your paste has gone a bit dry. As you said, not neccessarily the recommended practice, and yes your print regularity can go out the door. However, I th
Electronics Forum | Fri Jun 07 14:58:03 EDT 2002 | Ron Costa
Petroferm BioAct 105 works well for Indiums SMQ-92J
Electronics Forum | Wed Jun 05 12:50:18 EDT 2002 | Steve
I agree with Rob. Why use NC if the board is going to be cleaned anyway? Water soluable is much easier to get off if the board needs to be cleaned. Why else would they call it "no-clean"? Steve
Electronics Forum | Tue Jun 04 22:50:27 EDT 2002 | davef
Cleaning NC flux res seems like a good idea. Try: * Kyzen Aquanox SSA * Alpha 2110
Electronics Forum | Mon Jun 10 07:44:47 EDT 2002 | pjc
Petroferm Hydrex DX and Zestron Vigon A200 works well to clean Alpha UP78 paste.
