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Bent Glass
Bent glass is fabricated from flat glass,
which has been heated to between 1000°F (538°C) and 1100°F (593°C),
gravity or mechanically formed, and then allowed to cool to the
desired shape. Advances in the technology of bending glass have
enabled glass benders to offer designers and architects a wide
variety of options, including large lites of glass that can be bent
to compound curves or to several radii with straight legs on one or
both ends. Glass can also be bent to relatively sharp angles. Bent
glass is available in various types including annealed,
heat-strengthened and fully tempered. Bent glass can be laminated or
built into insulating glass units. Check with fabricator for
limitations. Pyrolytic solar control glass can be bent, although the
radius of the bend may be limited by lower bending temperatures to
avoid crazing of the coating. Lites with baked-on ceramic lines or
dots, as well as many patterned glasses, may also be bent.
ASTM document C 1464 Standard
Specification for Bent Glass addresses the requirements for bent
glass used in general building construction, display and various
other non-automotive applications.
The above information is from the
GANA Glazing Manual, 2004 Edition - the most frequently
referenced resource in the architectural glass and glazing industry.
The Glazing Manual is an excellent addition to any technical
library.
Go here
to order a copy of the manual or CD-ROM. For further information on
this and other GANA reference documents visit the
PUBLICATIONS section of the GANA website.
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