Re: [CR] Simplex "Plastic" Derailleurs - Questions For Material Scientists


Example: Production Builders:Peugeot

Date: Mon, 31 Jan 2011 10:14:34 -0500
From: Jay Dubiel <zoomdog@pure.net>
To: classicrendezvous@bikelist.org
Subject: Re: [CR] Simplex "Plastic" Derailleurs - Questions For Material Scientists


I have rejuvenated many of the black Delrin wing nuts by gently scraping off the haze with my finger nail or dull blade/point and then applied a glycerin-rich leather cleaner (Lexol). It worked on a "Criterium" RD too. I rub in the cleaner with my fingers or a Q-tip.

Before and after photos here: http://s517.photobucket.com/albums/u335/gypsybike/RESEARCH%20MATERIALS/?action=view&current=000aahaze.jpg

http://s517.photobucket.com/albums/u335/gypsybike/RESEARCH%20MATERIALS/?action=view&current=000aahaze2.jpg

It has held up very well.

Jay " the alchemist" Dubiel
Halifax, VA USA