Glass, Borosilicate

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Title

Glass, Borosilicate

Description

Borosilicate glass is soda-lime glass with most of the lime replaced by borax, B203. It has a higher melting point than soda-lime glass and is harder to work, but it has a lower expansion coefficient and a high resistance to thermal shock, so it is used for glassware and laboratory equipment.
General Applications: Ovenware, laboratory ware, piping, lenses and mirrors, sealed beam headlights, tungsten sealing, bells.
Reference: “Borosilicate Glass (Pyrex).” Materials and the Environment: Eco-Informed Material Choice, by M. F. Ashby, Elsevier, Butterworth-Heinemann, 2013, p. 340.

Rights

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Identifier

Record number: 1001