Borosilicate glass is a type of glass in which boron trioxide joins silica as a main glass-forming ingredient, giving it a much lower coefficient of thermal expansion than ordinary soda-lime glass and letting it survive sudden temperature swings without cracking. German glassmaker Otto Schott developed it in Jena in the late nineteenth century, and Corning's Pyrex brand later carried it into American kitchens and laboratories. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Disputed
Origin YearSources place Otto Schott's development in Jena in the late nineteenth century; this Wikipedia source does not state an exact year. Primary UseLaboratory reagent bottles and flasks, cookware, and lighting and electronics components that must tolerate thermal shock. 1 Classification
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Associated With
Borosilicate glass is a type of glass
Borosilicate glass, whose low thermal expansion keeps a figure stable, was used for large reflecting-telescope mirror blanks such as the Pyrex mirror of the 200-inch Hale telescope.
In Field
Sources
1. Borosilicate Glass (Wikipedia)
Wikipedia contributors, Wikimedia FoundationHistory section
After Corning Glass Works introduced Pyrex in 1915, the name became synonymous with borosilicate glass in the English-speaking world.
Uses section
It is commonly used for the construction of reagent bottles and flasks, as well as lighting, electronics, and cookware.
material-class sentence
Borosilicate glass is a type of glass in which boron trioxide joins silica as a main glass-forming ingredient, giving it a much lower coefficient of thermal expansion than ordinary soda-lime glass and letting it survive sudden temperature swings without cracking.
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