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Glass Types

Glass Types Soda-Lime Glass Most common type of glass which accounts for 90% of manufactured glass. Used for windowpanes, beverage bottles, light bulbs Density: 2.44g/cm3 Borosilicate Glass Melts at a higher temperature than typical silicate glass. Used in cookware and lab equipment (Ex. Beakers) Often known as the trade name Pyrex since 1915 Density: 2.23 g/cm3 Leaded Glass Fine glassware and decorative art glass, called crystal or leaded glass substitutes lead oxide for calcium oxide (lime). The addition of lead oxide makes the glass denser. As light passes through the more-dense glass, the light waves are bent, giving the glass a sparkling effect. Tempered or Safety Glass Stronger than ordinary window glass by introducing stress through rapid heating and cooling of the glass surfaces. When tempered glass breaks, it does not shatter but rather fragments or “dices” into small squares with litter splintering. Used for side and rear windows of automobiles sold in the United States. Laminated Glass This glass derives its strength by sandwiching one layer of plastic between two pieces of ordinary window glass. The windshields of all cars manufactured in the United States are constructed from laminated glass. Bulletproof Glass Bulletproof glass is a combination of two or more types of glass, one hard and one soft. The softer layer makes the glass more elastic so it can flex instead of shatter. The index of refraction for both of the these layers must be very similar to keep the glass transparent and allow a clear view through the glass. Bulletproof glass varies in thickness from three-quarter inch to three inches. Optical (Flint) Glass High refractive index (RI) RI = 1.45 to 2.00 Disposal poses a pollution problem for older glass types since they contained lead(II) oxide Noe titanium dioxide and zirconium dioxides is used Also used to make simulated diamonds Mirrored (Reflective) Glass Glass that has been treated with a metallic substance creating mirror-like properties. Link to Lecture Slides: https://drive.google.com/file/d/1FBhg... *Due to the description character limit the full work cited for "Glass Types" can be viewed at... https://drive.google.com/file/d/1DA24...