Electronics Forum: saponifier (Page 11 of 19)

CHEMTRONICS FLUX OFF HEAVY DUTY- any body else use this to remove baked on RMA flux?

Electronics Forum | Wed Feb 14 16:00:50 EST 2018 | cbart

We have used it,, mixed results, cleans well, but can as you would imagine destroy plastic, i've had operators soak product and that caused problems, it also destroys any marking labels. we also use different Saponifiers to remove residues in the pas

Water soluble solder mask for reflow soldering.

Electronics Forum | Fri Oct 18 00:44:56 EDT 2019 | Aqueous Technologies

I know you mentioned you use a Tech Spray product. We have had success with their "Wondermask" water soluble product. When using a chemical additive (saponifier) in an aqueous cleaning system we have not experienced residues. I hope that helps. https

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Tue Mar 03 07:47:48 EST 2020 | dontfeedphils

Thanks for the info. In a past life I ran everything WS and washed in a batch wash using saponifier. I'm surprised I never saw anything then as we would regularly wash boards assembled on only one side. Unless it's specifically washing in DI only.

Re: Board contamination

Electronics Forum | Fri Apr 14 11:00:38 EDT 2000 | Dave F

Mario: Your ask a very broad question and give no background information. Generally, the amount and type of residues present on a printed circuit board at the very beginning of a SMT line depends on the exposure of the board up to that point. For

White residue after cleaning with IPA

Electronics Forum | Mon Jan 27 12:02:00 EST 2003 | Mike Konrad

Dave is correct. No-clean flux + water = white residue (unless the proper chemical is mixed with the water). Additionally, no-clean flux + IPA = white residue. Many saponifiers work well as do other cleaning agents. White residue may also be a re

Re: Aqueous Cleaning

Electronics Forum | Fri Jul 30 20:11:35 EDT 1999 | Mike Konrad

It is true that the use of saponifiers (and other water soluble additives) will lower the surface tension and aid in under component penetration. It is also true, however, that other specific design features within a batch machine can also aid in un

Re: More informations on water clean for CSP/BGA package

Electronics Forum | Wed Oct 06 12:03:12 EDT 1999 | Graham Naisbitt

Hi, Help! Could anyone help to enlighten me on this? Question: If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum allowable Y/Z or X/Z that using a n

Re: Corroding Solder Joints

Electronics Forum | Tue Dec 28 15:12:03 EST 1999 | Bill Schreiber

Rick, Ultrasonics is a mechanical scrubbing action (cavitation) similar to any other scrubbing action, if you scrub long enough, you stand the chance of wearing away some of the surface material (shiny coating of a solder joint). The shiny coat on a

Re: Opinions on in-line wash equipment?

Electronics Forum | Tue Jun 22 12:55:45 EDT 1999 | Mike Konrad

You may want to rethink using an inline for both OA and No-Clean applications. Since the majority of your applications are OA, it would not make a lot of economic sense to run saponifier in your inline for a minority application. My suggestion is t

Corroding Solder Joints

Electronics Forum | Mon Dec 27 12:24:47 EST 1999 | RICK_EEI

Hi everyone. We use a small ultrasonic aqueous cleaner. After each PCB we hand solder, (water soluble) we place it in the cleaner immediately. Lately we have had some problems with the solder joints appearing to be corroding away. We tried lowering t


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