Hmm , up to a class 2 even under FDA no clean would do you fine Bev,
without all of the cleaning commotions.
What's stopping yo from your wish ?
If you do some joints post reflow no clean ,
what's the point ?
paul
-----Original Message-----
From: Bev Christian [mailto:[log in to unmask]]
Sent: Saturday, 29 July 2000 3:36
To: [log in to unmask]
Subject: Re: [TN] 100% Non-Aqueous Cleaners
Phil,
Some time ago I asked my assembled friends on this forum for some clues on
how to deal with polyphenol sulfide caps. I appreciated the answers, but...
I cannot get the designers to design them out, I do not run a no-clean shop
(I wish) and these little monsters don't like water. We are going to try
putting them on post reflow with a no clean cored wire, but what a pain!
There are many per board, unfortunately. So that cuts out aqueous and
semi-aqueous systems. We are not a large company, so in-line cleaners are
out. We do put down some low profile parts so a static system (i.e. vapour
degreaser) is not for us. So no sale on that stainless steel work bench!
I have one off-line supply from a supplier so far.
regards,
Bev
-----Original Message-----
From: Phil Nutting [mailto:[log in to unmask]]
Sent: Friday, July 28, 2000 9:16 AM
To: 'TechNet E-Mail Forum.'; 'Bev Christian'
Subject: RE: [TN] 100% Non-Aqueous Cleaners
Bev,
As a person who is looking to switch from a non-aqueous system to a full
aqueous system to be more like the rest of the industry I'd have to ask why.
Several years ago we finally replaced our vapor degreaser with a non-aqueous
system that used alcohol and a proprietary compound based on terpenes. The
users did not like the overwhelming smell of Lestoil and the system seemed
to take forever to wash the boards. The end result is we have this really
cool stainless steel workbench in our board cleaning room. Want to buy a
used board cleaning system?
At present we are soaking our boards in alcohol and brushing off the heavy
stuff. This is a facility that builds boards 5, 10 or 20 at a time. No 100
plus piece runs.
What I want to do is switch our facility over to newer technology and
replace our rosin core solder for aqueous friendly cores with an aqueous
batch cleaner to finish the job.
Just one man's opinion.
Regards,
Phil Nutting
Manufacturing Engineer
Kaiser Systems, Inc.
-----Original Message-----
From: Bev Christian [mailto:[log in to unmask]]
Sent: Friday, July 28, 2000 8:05 AM
To: [log in to unmask]
Subject: [TN] 100% Non-Aqueous Cleaners
Technetters,
Any recommendations about self-contained, batch, non-aqueous systems? I am
not referring to vapour degreaser types. I am looking for something with an
active cleaning cycle. Comments about different solvents would also be
appreciated. Dealers/manufacturers may write to me directly to avoid
getting flamed. Thanks.
Bev Christian
Director of Manufacturing
XLTEK
800-387-7516, ext 295
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