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Re: Davis sextant plastic
From: Bill Lionheart
Date: 2020 Dec 12, 14:39 +0000

In answer to my question "how to ell what type of plastic something
is" One answer is to heat it up!
https://www.twi-global.com/technical-knowledge/faqs/faq-how-can-i-easily-identify-a-plastic
  If anyone has a broken bit of Davis sextant to flame test it would
be interesting!

Bill

On Sat, 12 Dec 2020 at 14:37, Bill Lionheart  wrote:
>
> Greg. You mean high-density polyethylene ? Or  polystyrene ? How does
> one tell other than what solvent melts it?
>
>
> Bill
>
> On Fri, 11 Dec 2020 at 20:16, Greg Rudzinski  wrote:
> >
> > The plastic Davis is basic injection molded plastic . Try toluene model 
glue used sparingly on a test spot to be sure of reaction.
> >
> > Greg Rudzinski
> >
> >

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