If the stuff is corrosive out of the bottle then I would bet dollars to donuts it remains somewhat so even after a run through wave or reflow.

Yes, the little plastic bottles with small tips. That is what they used for the OA at rework stations at one place. They were taking it out of the wave machine flux bucket. And they cut it with alcohol so it would run over the board better. 

Thanks,
Bob Kondner



-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Julie Silk
Sent: Thursday, April 26, 2012 7:16 PM
To: [log in to unmask]
Subject: Re: [TN] 4 Questions: No Clean vs flux Deactivation. Possible Hogwash ???

I don't know the exact products.  Any no-clean flux that comes in a bottle, used with a needle tip.  I hate when I see those at a no-clean rework station!  Many years ago, a company that we purchased had a contract manufacturer that was happily using no-clean flux intended for a wave solder in this way for hand-soldering.  Hey, it's no-clean, right?  But had puddles of tacky white gunk in the hand-solder or rework locations.  We had a massive cleaning effort ahead of us.  It's no-clean only after the mild acids are deactivated with heat.


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