Hi TechNet - I can shed some light on your poisoning of a wave solder bath
by brass pins question! Zinc will cause you wave solder bath to excessively
dross and copper will cause excess solder bridging - take a look at
paragraph 4.4.5, page 108 (Zn info) and paragraph 4.4.3, page 106 (Cu info)
of Klein Wassink's book (ISBN 0-901150-14-2). However, you would have to be
exposing your solder wave bath to quite a bit of brass surface area to
"poison" your wave solder bath. You can have a chemical analysis of your
solder bath to understand just what impurities are present too. Good Luck.
Dave Hillman
Rockwell Collins
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Subject: [TN] Plating Adhesions and Poiso