Because of its low coefficient of thermal expansion the material is useful in high temperature applications and is also heat shock resistant.
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However there are many different borosilicate glasses made with various expansion coefficients e g.
7740 pyrex glass pyrex 7740 glass is corning s trade name borosilicate glass.
It does not expand and contract like ordinary glass does when exposed to rapid changes in heat or cold.
Pyrex and borofloat are 32 5 while 7059 is 49.
Sold off the pyrex trademark it became pyrex in america and the new company started using soda lime glass instead of borosilicate glass.
Borosilicate a type of glass with main glass forming constituents silica and boron oxide.
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Pyrex clear basics 2 quart glass oblong baking dish 11 1 in.
Well know for having very low coefficient of thermal expansion 5 10 6 c at 20 c.
And our new pyrex products designed specifically for the ways we make and share food today will be loved for.
7740 pyrex glass is also resistant to acid and has high optical transmission over a wide wavelength range.
Born of innovation the iconic pyrex brand evokes some of our fondest family food memories and has had a place in our hearts and homes for over 100 years.
Unfortunately when corning inc.