Electronics Forum: inorganic acid fluxes (Page 3 of 12)

ERSA Selective Solder questions

Electronics Forum | Thu Jun 06 10:05:57 EDT 2013 | azhiker

OK guys, we got our Adipic acid. What is the preferred methode of applying it? a) Nozzle mounted, momentarily turn off wave and then brush? Or b)coat nozzle with the acid then mount it and turn wave on? By the way, we are using Indium flux WF-994

Re: Ionic testing and No-Clean flux

Electronics Forum | Mon Feb 07 13:22:23 EST 2000 | Dave F

Brian: SMTnet has a "Terms & Definitions" section in the "Library." OA Flux. Flux, Organic Acid. A water soluble flux. Good luck Dave F

Re: Corrosiveness Measure

Electronics Forum | Fri Sep 04 09:51:34 EDT 1998 | Dave F

| | | | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter,

Motherboard become NO POST when humidity increase to 90%

Electronics Forum | Sat Nov 21 09:39:01 EST 2009 | patrickbruneel

Dave, I would only agree with you when you talk about low residue (water based) fluxes. In low residue (alcohol based) fluxes you can use non water soluble acids, so in the event you still have flux residues on the board water has no effect on them.

Encapsulating water soluble flux residue?

Electronics Forum | Fri Dec 16 11:21:18 EST 2005 | patrickbruneel

Steve, Water-soluble fluxes are per definition very corrosive and need to be cleaned (read the data sheet) Encapsulation will prevent humidity reaching the water-soluble acids but will not prevent reducing the metals the flux is in contact with to m

Re: Corroding Solder Joints

Electronics Forum | Tue Dec 28 12:26:22 EST 1999 | Christopher Lampron

Rick, Does the ultrasonic cleaning system that you use reuse the same water for each cleaning cycle? I have had a similar problem in the past using a Brandson ultrasonic cleaner and water soluable flux. The problem was the buildup of flux in the clea

Flux thinning

Electronics Forum | Tue Feb 17 09:37:16 EST 2015 | charliedci

We made the same change a year ago, from foam to spray fluxer. One of the reasons we changed, to keep the acid number within specs (foam fluxing) we had to measure once or twice a day and add DI water to make up for evaporation, all along not able to

Specific Gravity

Electronics Forum | Tue Nov 04 16:04:49 EST 2003 | pjc

No don't know about such a chart. But, consider changing the method used to check flux activity. Consult your flux supplier for a test kit that will measure actual activity (acidity). SG is a suggestive method.

Flux Designations and Composition

Electronics Forum | Tue Jun 29 13:52:32 EDT 2004 | microniks

Where to find detailed information on fluxes? No one seems to know the real difference between Rosin fluxes with colophan, Resin fluxes or synthetic Resin fluxes, No Clean, Low Residues, VOC-Free, Halide-Free, Water Washable with alcohol base, Resin-

Flux Designations and Composition

Electronics Forum | Tue Jun 29 13:56:27 EDT 2004 | Pierre

Where to find detailed information on fluxes? No one seems to know the real difference between Rosin fluxes with colophan, Resin fluxes or synthetic Resin fluxes, No Clean, Low Residues, VOC-Free, Halide-Free, Water Washable with alcohol base, Resin-


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