Electronics Forum: water soluble flux (Page 1 of 127)

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

Encapsulating water soluble flux residue?

Electronics Forum | Fri Dec 16 10:25:37 EST 2005 | solderiron

Rather than cleaning a water soluble flux residue off the board, by encapsulating the product. covering the board or the component with lets say a Hysol encasulant. Would this prevent the active flux residue from migrating and deteriorating the elect

Rosin versus water soluble flux

Electronics Forum | Tue Jan 02 14:12:23 EST 2001 | Dave Miller

I work for an R&D company that is starting to do some prototype and limited production circuit cards. We are deciding how we want to build these boards, and we are wondering what we should do about flux and cleaning. We have circuits that run at 15

Re: Rosin versus water soluble flux

Electronics Forum | Wed Jan 03 10:56:46 EST 2001 | Mike Konrad

Hi Dave, Water soluble flux has two opposite attributes. #1: It is the easiest flux to remove. #2: It is the worst flux to leave behind on a board. As for # 1, there are many de-fluxing systems out there that are very capable of removing water

Re: Rosin versus water soluble flux

Electronics Forum | Thu Jan 04 20:53:42 EST 2001 | Dave Miller

Mike -- Thanks for the information. It is very helpful. Is there any information available that shows what flux most companies are using? What fluxes are most companies that are producing Space, MIL-Spec, or other high-reliability assemblies usin

Re: Rosin versus water soluble flux

Electronics Forum | Thu Jan 04 21:03:25 EST 2001 | Dave Miller

Mike -- Thanks for the information. It is very helpful. Is there any information available that shows what flux most companies are using? What fluxes are most companies that are producing Space, MIL-Spec, or other high-reliability assemblies usin

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

Re: baked on water soluble flux residue betwwen fine pitch comp.

Electronics Forum | Fri Dec 01 17:03:57 EST 2000 | Dave F

Curious, very curious ... Residues � Where are these residues? [solder & laminate / mask, solder only, laminate / mask only] What is the result of your analysis to the residues? How do you know it�s a flux residue, rather than a chemical by product

Re: baked on water soluble flux residue betwwen fine pitch comp.

Electronics Forum | Fri Dec 01 16:02:33 EST 2000 | Jim M

Thanks for your reply. I 've tried to clarify and answer your questions. The water soluble paste used is WS3060, type 4. The boards are sent through a inline di cleaner after reflow. There is a hot Di waterwash, rinse and then hot air to dry the wa

Re: baked on water soluble flux residue betwwen fine pitch comp.

Electronics Forum | Fri Dec 01 15:37:50 EST 2000 | Dason C

Jim, you may need to look with different paste instead of the cleaning solvent. Please advise what is the paste which you currently using? Beside, when you talking about the board stayed in hot area, is it a drying area or the cleaning zone. If it

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