Weather sealant for pc boards

[Bruce Muscolino]

I cannot recommend any particular sealant, but I can tell you od the
dangers of some.  Many sealers contain chemicals to etch the surface to
provide better adhesion.  These are common in RTV types.  Of course, you
don't want this because it will etch your board further!

Many military conformal coatings are not really moisture barriers.  If
that is what you want, look for some type of epoxy, bur be aware that if
you ever have to repair the boards, you're in for a lot of work!

73

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