Electronics Forum: flux ipa (Page 2 of 12)

Cleaning after rework, no clean flux

Electronics Forum | Wed Feb 26 23:59:48 EST 2003 | Mike Konrad

Grant, No-Clean paste + IPA = White Residue! #1: Stop using IPA #2: Switch to either a solvent-based de-fluxing chemical or an aqueous-based de-fluxing chemical. If you are using an ultrasonic cleaner for your boards as stated, do not use sapon

Using Isopropyl alcohol as flux thinner

Electronics Forum | Tue Nov 13 09:11:12 EST 2007 | jeffharley

We have been using IPA for about four years with no problems. We are using it with Metalic Resorces ws710 flux. At quite a cost savings I might add.

Use of acetone (67-64-1) in removing flux

Electronics Forum | Wed Jun 23 17:56:31 EDT 2004 | Shean Dalton

Acetone is likely not compatible with several component types, the evaporation charactoristics are desirable. IPA is more compatible, though, may not solubilize the residues. Austin American Technology developed MegaSolv JB and MegaSolv NOC for the

Re: Ionic testing and No-Clean flux

Electronics Forum | Sat Feb 05 09:08:18 EST 2000 | Dave F

Casimir: Let me expand on something that I said in my response to your thread on ionic testing. Generally, no-clean people don�t use ROSE testing as part of their process control, because the ROSE test is essentially washing your board in DI/IPA �

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

Testing effect of non-clean flux residue on solder joints

Electronics Forum | Fri Nov 03 15:43:20 EDT 2017 | dleeper

IPA and DI water are both very common and effective methods of cleaning PCBAs. http://www.zestron.com/sa/cleaning-applications/smt-electronic-cleaning/pcba-cleaning/aqueous-cleaning.html http://blog.gotopac.com/2010/11/18/ipa-as-a-universal-cleaner

Testing effect of non-clean flux residue on solder joints

Electronics Forum | Thu Nov 02 15:45:04 EDT 2017 | dleeper

For low volume hand assembly, deionized water or IPA should work fine.

baked on water soluble flux residue betwwen fine pitch comp.

Electronics Forum | Fri Dec 01 14:12:50 EST 2000 | Jim M.

My company currently uses water soluble paste for our SMT process. We were having trouble retaining hot water in our in line, closed loop DI cleaner. The cleaner kept shutting down when the water temp. dropped below 125C. As a result, the conveyor

RoHS

Electronics Forum | Wed Feb 09 07:02:04 EST 2005 | ddhanashekar

1. What is the method for declaration RoHS for material like IPA, FLux & Solder paste. 2. What is the allowable limit for RoHS compliance for the above material?

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


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