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Re: [TenTec] Omni VI Rubbery crud on PCB

To: tentec@contesting.com
Subject: Re: [TenTec] Omni VI Rubbery crud on PCB
From: Steve Berg <wa9jml@frontier.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 17 Jul 2017 20:53:17 -0500
List-post: <mailto:tentec@contesting.com>
The rubbery stuff may be conformal coating. I had to use that stuff when I worked in the Motorola factory when Ford wanted their CB radios to be gunked up with this stuff.

Steve WA9JML


On 7/17/2017 8:22 PM, Bwana Bob wrote:
Yuk! I've seen brown crud on the foil side of the circuit boards my Paragon and another one that I worked on. In those cases the crud was excess soldering flux. I cleaned it off with isopropyl alcohol and cotton swabs. The white stuff may be some kind of oxidation or corrosion. Mold would be black.

73,

Bob WB2VUF



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