Electronics Forum: cleaning flux residue from wcsp (Page 3 of 38)

Re: white residue

Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande

|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux

Re: Tape residue cleaner

Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F

Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape

Cleaning old built up flux residues from reflow oven

Electronics Forum | Fri Apr 11 13:58:32 EDT 2014 | proy

Have an older reflow oven which I need to clean up collected flux residues from the chain, mesh, intake/exhaust areas, slides etc heavy brown dust, likely water soluble residues, lots of polymerized brown resin as well.

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 | 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 | 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

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 | 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


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