Electronics Forum: flux residues (Page 2 of 116)

Cleaning old built up flux residues from reflow oven

Electronics Forum | Tue Apr 15 15:49:57 EDT 2014 | davef

"the sprite sugar/water mix" becomes a solvent because the number of carbon molecules in the sugar chain is greater than number of carbon molecules in the flux residue chain. Er, something like that ...

Cleaning old built up flux residues from reflow oven

Electronics Forum | Tue Apr 15 11:48:14 EDT 2014 | proy

Interesting idea the sprite sugar/water mix.... I found a spray on BBQ cleaner which worked pretty well, but is a little sharp on the lungs! Peter

Cleaning old built up flux residues from reflow oven

Electronics Forum | Wed Apr 30 18:01:16 EDT 2014 | hegemon

Sprite/Sugar as a solvent?!! I want to clean my oven now! In other words, this I GOTTA SEE. Ain't chemistry great? 'hege

Cleaning old built up flux residues from reflow oven

Electronics Forum | Thu May 01 06:42:25 EDT 2014 | cbeneat

I use Simple Green, works pretty well, although I use the concentrate and don't dilute it as is recommended, so it's pretty strong. I am going to try the sugar water though. I'm intrigued.

Cleaning old built up flux residues from reflow oven

Electronics Forum | Thu May 01 18:21:26 EDT 2014 | hegemon

Of course now I am really wondering if my own guts like the Sprite/Solvent... 'hege

Cleaning old built up flux residues from reflow oven

Electronics Forum | Mon Apr 14 20:13:40 EDT 2014 | davef

So, someone is going to get a chance to buy a nice and shiny oven, eh? Summary from my notes of old thread on SMTnet: Some people melt sugar and use that solution to clean cooked-on flux residue. Dissolve sugar into warm water, spray it on the area t

Cleaning old built up flux residues from reflow oven

Electronics Forum | Mon Apr 14 15:37:00 EDT 2014 | jdenuzzia

If you do a search on Reflow Oven Cleaning Fluid, you will find links to companies and chemicals that can assist you. I recommend that you contact one or more of the companies and discuss your needs and the paste you are using. They should be able t

White residues

Electronics Forum | Mon May 26 08:59:32 EDT 2008 | davef

It's possible that the flux residues from the solder paste used in your SMT process is not compatible with your water wash process. For instance, some no-clean fluxes leave resudues that are not water washable. When these residues are washed, they de

Flux residues

Electronics Forum | Thu Nov 15 10:19:05 EST 2012 | davidmercader

Hi, We have problems with our wave soldering process. The problem is that during the same assembly, after wave soldering, some pcb’s look not clean and other pcb’s look good. We use lead free SAC305 solder and flammable flux. We think our proces

White residues

Electronics Forum | Wed Apr 24 21:27:10 EDT 2002 | davef

50�C. * Boards are too hot to be cleaned. Yes, saponified cleaners will remove heat decomposed WS flux. Well, I suggested changing paste to another poster, because he mentioned overheated solder connections and I guessed that his white residue was


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