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→Borosilicate Glass
(Created page with '==BORON== '''B''' ==Filming Concepts== ===Borosilicate Glass=== '''Discovered in Jena by Jenaer Glaswerk Schott & Genossen''' HAS Ties to CARL ZEIS in Jena! Otto Schott (18…') |
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[http://www.practicallyedible.com/edible.nsf/pages/pyrex/ History of Pyrex mention Carl Zeiss and Otto Schott as its creator] | [http://www.practicallyedible.com/edible.nsf/pages/pyrex/ History of Pyrex mention Carl Zeiss and Otto Schott as its creator] | ||
Back to Zeis and Jena again with this topic. Boron is most commonly used for the production of heat resistant glass. | Back to Zeis and Jena again with this topic. Boron is most commonly used for the production of heat resistant glass. | ||
Nearly all boron ore extracted from the Earth is destined for refinement into boric acid and sodium tetraborate. In the United States, 70% of the boron is used for the production of glass and ceramics. Borosilicate glass, which is typically 12%-15% B2O3, 80% SiO2, and 2% Al2O3, has a low coefficient of thermal expansion giving it a good resistance to thermal shock. Duran and Pyrex are two major brand names for this glass. [http://en.wikipedia.org/wiki/Borosilicate_glass Borosilicate Glass Wiki] | Nearly all boron ore extracted from the Earth is destined for refinement into boric acid and sodium tetraborate. In the United States, 70% of the boron is used for the production of glass and ceramics. Borosilicate glass, which is typically 12%-15% B2O3, 80% SiO2, and 2% Al2O3, has a low coefficient of thermal expansion giving it a good resistance to thermal shock. Duran and Pyrex are two major brand names for this glass. [http://en.wikipedia.org/wiki/Borosilicate_glass Borosilicate Glass Wiki] | ||
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===Bulletproof Vest and Armorment=== | ===Bulletproof Vest and Armorment=== | ||