Borosilicate glass

Description

A glassware containing at least 5% boron. Borosilicate glass is highly resistant to heat and shock. It is used in the manufacture of glassware for labs and homes.

(Physical parameters for Pyrex 7740)

See Heat-resistant glass, and Pyrex.

Synonyms and Related Terms

vidrio de borosilicato (Esp.); verre au borosilicate (Fr.); borosilicaat glas (Ned.); vidro de borossilicato (Port.); Pyrex

Melting Point	820 (softens)
Density	2.23
Refractive Index	1.474

Sources Checked for Data in Record

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 362

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

• Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997