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safety glass |
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safety glass [′sāf·tē ‚glas] (materials) A glass that resists shattering (such as a glass containing a net of wire or constructed of sheets separated by plastic film). A glass that has been tempered so that when it shatters, it breaks up into grains instead of jagged fragments. Safety glass A unitary structure formed of two or more sheets of glass between each of which is interposed a sheet of plastic, usually polyvinyl butyral. In usual manufacture, two clean and dry sheets of plate glass and a sheet of plastic are preliminarily assembled as a sandwich under slight pressure to produce a void-free bond. The laminate is then pressed under heat long enough to unite. For use in surface vehicles the finished laminated glass is approximately ¼ in. (6 mm) thick; for aircraft it is thicker. See Glass How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Now fully revitalized by Tishman Speyer, the multi-level Top of the Rock offers state-of-the-art features such as reserved-time tickets, multimedia exhibits, an indoor viewing area, and brand-new transparent, safety glass panels. It invented a tough, flexible carpet backing called "ethos" (patent pending), based on polyvinyl butyral (PVB) recycled from auto safety glass. Vanceva[R] is the only laminated safety glass available in over 1000 colours. |
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