ARCH 2044 Chapter Notes - Chapter 5: Boron Trioxide, Toughened Glass, Glass
18 Dec 2016
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Soda-lime glass - least expensive, bad with temperature changes, most common, production of bottles and jars. Lead glass - bad with temperature changes, soft glass, high percentage of lead oxide, electrical applications as well as some art glass, more expensive than previous. Borosilicate glass - silicate glass with at least 5% boric oxide, high resistance to temperature changes, resistance to chemical corrosion, used in the production of lightbulbs, laboratory glassware, bakeware. 96% silica glass - melted to remove almost all of the non-silicate elements. Aluminosilicate glass - used for electronic circuitry, contains aluminum oxide, even greater temperature resistance and chemical durability. Fused silica glass - pure silicon dioxide in a non-crystalline (liquid like) state, rarely used, very expensive, difficult to fabricate. Used ins specific components for medical and chemical equipment b. Specialized glass: c. i. ii. iii. iv. v. vi. Wire glass - same as normal glass, but the glass does not shatter to pieces.
