Electronics Forum: ipa (Page 1 of 24)

Immerging the PCBA into IPA(temperature:60C) for 1 hr

Electronics Forum | Sat Oct 20 14:24:16 EDT 2012 | davef

Not sure why you'd want to immerse an assembled board in 60-70*C IPA for an hour, but I doubt there is much published material on the topic * IPA is toxic * IPA is flammable at room temperature and heating IPA to 60-70*C only makes it more so * There

Contamination

Electronics Forum | Tue Aug 15 20:41:54 EDT 2006 | davef

Alpha UP78 was a modern solder paste. Check with your supplier for recommendations. You're are cleaning some flux residue with the IPA and reducing the leakage current. We're not wild about using IPA. Problems with IPA are: * IPA / material being

Testing effect of non-clean flux residue on solder joints

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

Removal of No-Clean flux residue

Electronics Forum | Fri Sep 07 21:43:40 EDT 2001 | mugen

Hi, We use IPA and Prozone, if IPA is so drastically detrimental, to the pcba's.....what suggested alternative, can you please recommend, as IPA replacement? Thanks.

Board Cleaning

Electronics Forum | Tue Feb 24 14:44:22 EST 2004 | davef

IPA is a poor choice for a cleaning solvent. * As you mentioned, the flash point of IPA (~12�C TCC). This is sufficiently low that all electrical equipment within a few feet of the bath should be flameproofed or intrinsically safe, if you don't want

Coating adhesion problems

Electronics Forum | Tue Sep 21 11:34:10 EDT 2004 | davef

Several things to check are: * Ask Multicore if their flux res and your conformal coat are compatible. Conformal coats and NC flux res are notorious for having compatibily issues. * Conformal coat a bare board to determine if there is there is enoug

Solvent for stencil cleaning

Electronics Forum | Thu Nov 10 07:57:51 EST 2005 | davef

AJ: Problems with IPA are: * IPA / material being 'cleaned' combination still needs to be removed from the stencil. * IPA and empty containers are a hazardous material by RCRA criteria (40CFR 261) * Flash point (~12*C TCC) of IPA is low enough that a

Cleaning OA solder core residues with alcohol

Electronics Forum | Tue Aug 01 22:04:11 EDT 2006 | davef

Problems with IPA are: * IPA / material being 'cleaned' combination still needs to be removed from the board. * IPA and empty containers are a hazardous material by RCRA criteria (40CFR 261) * Flash point (~12*C TCC) of IPA is low enough that all ele

Universal Lightning Head Spindles

Electronics Forum | Tue Aug 21 13:24:50 EDT 2012 | cyber_wolf

As a side note: A lot of machine manufacturers call out IPA as a "degreaser". As an experiment put a dab of grease in a container with IPA then put some in a container with mineral spirits. Shake them up and see which one dissolves the grease. It's

Immerging the PCBA into IPA(temperature:60C) for 1 hr

Electronics Forum | Tue Oct 16 11:02:05 EDT 2012 | terry_zhang

Has anyone tried to immerge the PCBA(with ICs, resistors, capacitors,connectors populated) into IPA for 1hr? The temperature of IPA is about 60~70C, is there any damage or degrating found for PCB and the components? Is there any related information s

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