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October 1998

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Subject:
From:
mark ross <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 8 Oct 1998 14:08:17 -0400
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We use Dynacircuits outside of Chicago and I went to their web page on an unrelated item and happened
across sealbrite listed as a coating still available under their capabilities section.  You can go to
www.dynacircuits.com for further info on how to contact them.  I don't know for sure they still have this
as an option but since it was used in cost sensitive markets and they make single and double sided boards,
they may be able to steer you towards something.


Mike Barmuta wrote:

>         Chris: Since LONCO was bought out (about 10 years ago?)I don't believe
> Sealbrite exists anymore. Alpha Metals did carry some similar products that were
> non activated modified rosins. There was a 300 series that had various % solids
> depending on your aplication method also two other products 828 and 2301 that a
> different solvent carrier system to allow lower temp drying. The west coast phn#
> for Alpha is 949-757-0111.
>         If these are not available you could "probably" use a straight R rosin
> flow soldering flux.
> This is "messy" stuff to work with, if the application is for Cu PCB's I would
> suggest you try to get your customer to go with one of the newer generation
> OSP's.
>                                                 Regards
>                                                         Michael Barmuta
>                                                         Staff Engineer
>                                                         Fluke Corp.
>                                                         Everett Wa.
>                                                         425-356-6076
>
> On Wed, 7 Oct 1998 11:08:51 -0700 Chris Williams wrote:
>
> > From: Chris Williams <[log in to unmask]>
> > Date: Wed, 7 Oct 1998 11:08:51 -0700
> > Subject: [TN] Sealbrite
> > To: [log in to unmask]
> >
> > Remember Sealbrite?  It's no longer made, but we have a customer that is
> > very interested in using it.  Does anyone know of a good alternative or
> > replacement?  Thanks in advance.
> >
> > Chris Williams
> > Graphic Products, Inc.
> > [log in to unmask]
> >
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