PYREX, there's more to it than just a name.

[Irons2]

A good article on shattering phenomenon due to Thermal Stress in Glass cookware:

http://americanceramicsociety.org/bulletin/2012_pdf_files/sept_12/#/35/

 

[NobleMetalWorks]

Well that article really "broke" all the misconceptions about Pyrex products. "Cracked" it wide open so to speak, "fracturing" all previous claims about Pyrex cookware.

Thanks for the post.

Scott :mrgreen:

 

[Irons2]

Well that article really "broke" all the misconceptions about Pyrex products. "Cracked" it wide open so to speak, "fracturing" all previous claims about Pyrex cookware.

Thanks for the post.

Scott :mrgreen:

:mrgreen:

Actually, it's pretty easy to tell the Borosilicate Glass from the cheap Soda Glass. If you look at the coloration looking into an edge, the Borosilicate is a bluish grey, while the Soda-Lime Glass is greenish.
If you look on fleabay, the older items can still be found in great condition for a reasonable price.