Borosilicate glass

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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