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December 2014

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From:
"Nutting, Phil" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Nutting, Phil
Date:
Mon, 29 Dec 2014 15:37:00 +0000
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Wayne,

Forgot to mention that we use DI water in the steam cleaner.  Can also be used as a "rinse" after using other cleaners if you are not using OA flux.

Phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Nutting, Phil
Sent: Monday, December 29, 2014 10:35 AM
To: [log in to unmask]
Subject: Re: [TN] De-fluxers for rework

Wayne,

For SMT or PTH boards reworked with OA flux we use a small steam cleaner made by Joffe.  Do a web search for Mini-Max.  Follow the steam with dry N2 or air at 30 psi.

Best of luck,

Phil Nutting

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Richard Kraszewski
Sent: Monday, December 29, 2014 9:50 AM
To: [log in to unmask]
Subject: Re: [TN] De-fluxers for rework

Zestron EFM and Kyzen 141R were  the top , at during a recent evaluation conducted. 

Rich  Kraszewski 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Wayne Thayer
Sent: Monday, December 29, 2014 6:22 AM
To: [log in to unmask]
Subject: [TN] De-fluxers for rework

From: Wayne Thayer
Sent: Tuesday, December 23, 2014 10:43 AM
To: TechNet E-Mail Forum ([log in to unmask])
Subject: De-fluxers for rework

 

What are y'all using for de-fluxing rework? I was using EC7m, but the price skyrocketed, presumably because of the R134a propellant it uses. I'd be happy to get it in a can or bottle (unpressurized) and just use air brushes or other techniques to dispense it.

 

In the past I've also used Axarel 2200, and found that to work pretty well, especially if soaked in an agitated bath of it. But I'm just running a small research lab at this point, and the minimum quantity is 15kg, which is probably enough for about 10 years.

 

Isopropanol is pretty awful, and I find FluxOff to be even less effective.

 

Thanks,

 

Wayne Thayer

KEYW Corporation

 

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