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November 2006

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Subject:
From:
"Douglas O. Pauls" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Mon, 6 Nov 2006 10:26:14 -0600
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I would agree with Steve.  The Aquanox line has served us well at Rockwell
and we are converting over to the Kyzen Aquanox A4520 and are getting
excellent resuls.  I am a proponent of aqueous cleaning since you get both
the dynamic action of pressurized spray, the thermal activity of hot wash
and rinse waters, and the chemical energy of a saponifier.  For these
reasons, I would strongly recommend you stay away from any kind of vapor
degreasing and no-clean residues.  Bad Karma.

I guess the more important question is why are you cleaning the low solids
flux residues and is the low residue paste designed to be cleanable?  Very
important questions.

Doug Pauls
Rockwell Collins




             Steve Gregory
             <SGregory@OAIELEC
             TRONICS.COM>                                               To
             Sent by: TechNet          [log in to unmask]
             <[log in to unmask]>                                          cc

                                                                   Subject
             11/06/2006 10:05          Re: [TN] Cleaning media for no
             AM                        clean paste


             Please respond to
              TechNet E-Mail
                   Forum
             <[log in to unmask]>
             ; Please respond
                    to
               Steve Gregory
             <SGregory@OAIELEC
               TRONICS.COM>






Hi Dan!

I've always had very good results cleaning no-clean residues with Kyzen
Aquanox 4512P in a batch cleaner. They have another formula for
lead-free residues, Aquanox 4630. They also have another formula
(Aquanox 4520) that I've not had a chance to use, that is supposed to be
better than the 4512P. You might want to give them a call...

-Steve Gregory-

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Dan Mauro
Sent: Monday, November 06, 2006 9:56 AM
To: [log in to unmask]
Subject: [TN] Cleaning media for no clean paste

Folks,



I need to clean the residual residue left if any on boards processed
with no clean paste.

What should one use.  Any thoughts - is there a common chemical cleaner
that can penetrate under components.



Thanks in Advance

Dan


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