What is special about Pyrex glass?

What is special about Pyrex glass?

Pyrex (trademarked as PYREX) is a brand introduced by Corning Inc. in 1915 for a line of clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware. … The brand name has also been used for non-glass kitchen utensils and cookware in various regions for several decades.

Is Pyrex glass the same as borosilicate glass?

Pyrex by any other name… … Pyrex glass used in chemistry experiments is made of borosilicate glass, whereas the Pyrex used when baking is made of soda lime glass. What's the difference? Borosilicate glass is resistant to thermal shock, but soda lime glass is not.

Is Pyrex glass breakable?

Pyrex is made of glass. When a Pyrex bowl is heated or cooled rapidly, different parts of the bowl expand or contract by different amounts, causing stress. If the stress is too extreme, the bowl's structure will fail, causing a spectacular shattering effect.

Is Pyrex glass strong?

How strong is pyrex? – Quora. Borosilicate glass has a tensile strength of about 1000 psi. … In any case, borosilicate glass is notable more for its greater resistance to thermal shock than for its greater mechanical strength.