Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site terak.UUCP Path: utzoo!watmath!clyde!burl!ulysses!allegra!bellcore!decvax!genrad!mit-eddie!godot!harvard!seismo!hao!noao!terak!doug From: doug@terak.UUCP (Doug Pardee) Newsgroups: net.aviation Subject: Lanolin & Aluminum Message-ID: <427@terak.UUCP> Date: Tue, 5-Mar-85 18:38:24 EST Article-I.D.: terak.427 Posted: Tue Mar 5 18:38:24 1985 Date-Received: Sun, 10-Mar-85 06:26:22 EST Organization: Terak Corporation, Scottsdale, AZ, USA Lines: 17 Can anyone confirm, deny, or expound upon the following? I once encountered a problem when I washed an aluminum radio chassis, where the chassis became "slimy" as a result and nothing I did would remove the slimy feel. A year or so later I heard (somewhere) that this was a reaction between lanolin in the detergent I used and the aluminum. The result was that the aluminum had developed a coating of aluminum stearate. Now, your everyday light plane is made of Alclad, an aluminum alloy with a pure aluminum surface layer. I would think that if the above story was true, that I'd be hearing horror stories about slimy planes as a result of having been washed with detergents containing lanolin. If you'll mail me your comments, I'll post a summary for the net. -- Doug Pardee -- Terak Corp. -- !{hao,ihnp4,decvax}!noao!terak!doug