[ATM] Impact of stressed glass

[mdholm at telerama.com (Mark Holm)]

>
>
>Duran is certainly not zero expansion glass.
>I think it is similar to Pyrex.
>


I have seen numbers for Duran and recall that they are similar to 
Pyrex.  Same can be said for Borofloat.  I think if you rummage around 
in Schott's web site, you can find them.

Mark Holm
mdholm@telerama.com