Alodyne (or was it alodine) was what we used to passivate aluminum for the military. Circuit boards used MFP (moisture and fungus proofing) which was some kind of varnish or lacquer.
73 - Jim W5ZIT George Henry <[EMAIL PROTECTED]> wrote: Don't forget the old military stuff with the strong vinegar-like smell of the anti-corrosive treatment, whatever it was (probably toxic/carcinogenic...) George, KA3HSW / WQGJ413 --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.