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Pyrex (trademarked as PYREX and pyrex) is a brand introduced by Corning Inc. in 1915, initially for a line of clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware. It was later expanded in the 1930s to include kitchenware products made of soda–lime glass and other materials. [1]
The lids of CorningWare are typically made of Pyrex. Though some early lids were made of Pyroceram, most subsequent covers have been made of borosilicate or tempered soda-lime glass. Unlike the cookware, these lids have a lower tolerance for thermal shock and cannot be used under direct heat.
In 1915, Corning created an improved heat resistant glass formula and launched Pyrex, the first-ever consumer cooking products made with temperature-resistant glass, in 1915. [ 13 ] The California Institute of Technology 's 200-inch (5.1 m) telescope mirror at Palomar Observatory was cast by Corning during 1934–1936, out of low expansion ...
Not just any oven-safe glass dish, but a Pyrex -- a name synonymous with baking. One of the few brands to reach iconic status in the American kitchen, Pyrex has Pyrex: Fire and Pride Are Glassware ...
TODAY reports that opaque, brightly colored pieces that feature floral and geometric designs tend to resell for the highest price. Pyrex products made between 1915 and the late 1970s are ...
Visions is made of a transparent version of Pyroceram glass-ceramic, occasionally referred to as Calexium. However, its lids have typically been made out of Pyrex (both Borosilicate and Soda-lime glass) in the US and Asia. Originally introduced in an amber color, a cranberry tinted version was available from 1992 until 2004.
Libbey, Inc., (formerly Libbey Glass Company and New England Glass Company) is a glass production company headquartered in Toledo, Ohio. It was originally founded in 1818 in Cambridge, Massachusetts , as the New England Glass Company, before relocating to Ohio in 1888 and renaming to Libbey Glass Co .
The site of Kopia, in Uttar Pradesh, is the first site in India to locally manufacture glass, with items dating between the 7th century BCE to the 2nd century CE. [27] Early Indian glass of this period was likely made locally, as they differ significantly in chemical composition when compared to Babylonian, Roman and Chinese glass. [26]