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Wayne,
For touchup and rework I use water soluble flux and then clean with a small
steam cleaner.
See http://www.minimaxcleaner.com/prod00.htm
It is not really "Hot Steam" that come out, it is a fast spray of warmish
steam. I like it because it gets under parts quite well. It takes 5
minutes to come up to speed, and the first few drops of water will be hot.
There is a small plastic container in the rear that I fill with distilled
water so what comes out is very clean. It cleans off a surface quite well. I
use it over a towel and there is very little water used, the towel typically
air dries.
At a couple hundred bucks it is a very low cost system. They are typically
seen at APEX each year.
Bob K.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Wayne Thayer
Sent: Monday, December 29, 2014 7:22 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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