Difference between revisions of "Borosilicate glass"
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== Description == | == Description == | ||
| − | A | + | A type of glass containing at least 5% [[boron]]. Borosilicate glass was developed by German glassmaker Otto Schott in the late 19th century in Jena. Originally know as Jena Glass, Corning Glass Works introduced a similar product as [[Pyrex]] in 1915. The most common formulation contains 80% silica, 13% boric oxide, 4% sodium oxide and 2-3 % aluminum oxide. Borosilicate glass is highly resistant to heat and shock. It is used in the manufacture of glassware for labs and homes, electronics, cookware and lighting. |
| − | + | == Synonyms and Related Terms == | |
| − | + | Jena glass; vidrio de borosilicato (Esp.); verre au borosilicate (Fr.); borosilicaat glas (Ned.); vidro de borossilicato (Port.); | |
| − | + | Commercial products: Pyrex; Corning 33; Corning 51 (Corning Glass Works); Boroflat (Schott AG); Duran (DURAN Group); International Cookware NIPOR BSA 60 and BSC 51; Jenaer Glass (Zwiesel Kristallglas) | |
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| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | | + | | 1650 C |
| + | |- | ||
| + | ! scope="row"| Glass transition point | ||
| + | | 536 C | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.23 | + | | 2.23 g/ml |
|- | |- | ||
! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
| Line 23: | Line 25: | ||
|} | |} | ||
| − | == | + | == Resources and Citations == |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 362 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 362 | ||
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
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* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | ||
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* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | ||
| − | + | * Wikipedia: [https://en.wikipedia.org/wiki/Borosilicate_glass Borosilitcate glass] Accessed August 2020 and October 2023. Comment: RI = 1.51-1.54 | |
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 08:59, 21 October 2023
Description
A type of glass containing at least 5% Boron. Borosilicate glass was developed by German glassmaker Otto Schott in the late 19th century in Jena. Originally know as Jena Glass, Corning Glass Works introduced a similar product as Pyrex in 1915. The most common formulation contains 80% silica, 13% boric oxide, 4% sodium oxide and 2-3 % aluminum oxide. Borosilicate glass is highly resistant to heat and shock. It is used in the manufacture of glassware for labs and homes, electronics, cookware and lighting.
Synonyms and Related Terms
Jena glass; vidrio de borosilicato (Esp.); verre au borosilicate (Fr.); borosilicaat glas (Ned.); vidro de borossilicato (Port.);
Commercial products: Pyrex; Corning 33; Corning 51 (Corning Glass Works); Boroflat (Schott AG); Duran (DURAN Group); International Cookware NIPOR BSA 60 and BSC 51; Jenaer Glass (Zwiesel Kristallglas)
Physical and Chemical Properties
| Melting Point | 1650 C |
|---|---|
| Glass transition point | 536 C |
| Density | 2.23 g/ml |
| Refractive Index | 1.474 |
Resources and Citations
- 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
- Wikipedia: Borosilitcate glass Accessed August 2020 and October 2023. Comment: RI = 1.51-1.54