Restoring Nylon parts (like the card guides in a PDP-8a chassis)

Chuck Guzis cclist at
Mon Mar 21 18:37:17 CDT 2016

On 03/21/2016 04:25 PM, Jules Richardson wrote:

> Interesting... so boiling them can make them expand too much, leaving
>  them for a few weeks will allow them to contract, but they
> "remember" their manufactured size, such that a few weeks after they
> they aren't trying to return to their shrunken, pre-boiled state?

Interesting.  If water evaporation accounts for the dimensional 
instability, why not use something that doesn't evaporate quite as 
easily?  Say, ethylene glycol or a silicon oil?


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