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Re:Sears Hasn’t Fared Better After Bankruptcy by wahern on Tuesday October 15, 2019 @04:45PM (#21263531)
Corning Pyrex used to be made of borosilicate glass (https://en.wikipedia.org/wiki/Borosilicate_glass) and was similar to the type of glass used for lab equipment. The Chinese manufacturer who bought the Pyrex brand switched to cheaper and more prevalent soda-lime glass, which is arguably more drop resistant.

There are manufacturers selling borosilicate glass cookware; just look for "borosilicate" when searching. There are at least a couple of brands that sell this on Amazon. Though thickness and overall durability is a different matter and perhaps even the modern borosilicate items still pale in comparison to older products.

Re:Sears Hasn’t Fared Better After Bankruptcy by hinkley on Tuesday October 15, 2019 @04:58PM (#21263675)
Yeah I got into this conversation with her after a hot 'pyrex' dish exploded and damaged the linoleum in my apartment. She suggested I go yard sale hunting for old Pyrex.

I was talking about the white casserole dishes also made by Corning. Wikipedia says it's called pyroceram. Also says it was an accidental discovery while trying to invent something else.