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  3. Taughened Glass: the Solution to Retail Owners’ Security Concerns Taughened glass, which is also called Bastie glass because

Taughened Glass: the Solution to Retail Owners’ Security Concerns Taughened glass, which is also called Bastie glass because

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问题                  Taughened Glass: the Solution to Retail Owners’ Security Concerns
    Taughened glass, which is also called Bastie glass because of the name of the inventor, is a kind of glass that is finely tempered or annealed, by a peculiar method of sudden cooling by plunging while hot into oil, melted wax, or paraffine.
    The development and acceptance of taughened glass has undergone several stages. Yet the benefits of this particular kind of glass still remain unknown to a large group of people.
    DuPont has done a great job of working with architects and the architectural glass industry to understand, develop and promote the use of taughened glass (safety glass) worldwide. Within the retail environment in particular, architects in all continents are using taughened glass for a diverse range of applications--not only for economic and functional reasons but also for the pure aesthetic delight of using the material.
    Yet sadly, the general public in North America is still too often ignorant of the benefits taughened glass can bring--not only in shops but also in offices and homes. The material is still all too often perceived as vaguely "more expensive" and its wide range of benefits remains largely unknown. Sharing the benefits with building owners-from the business community to homeowners--has to be our next major challenge.
    National Gate and Glass Corp . supplies storefront glass to retailers throughout North America, from nationwide chains to single outlet owners. However large or small, our customers have similar concerns when it comes to the storefront glass they use with regard to cost, appearance/aesthetics, security and service.
    The good news is that in 99.9 percent of cases, we find that the installation of 6 mm+6 mm taughened glass with an interlayer of 0.76 mm Butacite (r) PVB interlayer solves all of these concerns with ease! Taughened glass is an ideal solution for modem retailers in terms of same day installation, security prevention, protection from the UV rays that cause the degradation of store displays and furnishings and the elimination of boarding following damage to the storefront.
    Time Is Money.
    Everyone in the retail construction value chain, from owners to foremen, are concerned with costs. We are able to address this first concern pretty quickly. In the USA, taughened glass costs almost exactly the same as tempered glass to purchase and install per square meter. In Australia and Europe, it can be significantly cheaper than tempered glass! In the case of breakage, the cost benefits of taughened glass can be seen very clearly; as store owners, managers and loss prevention departments know, time is money! Unlike tempered glass, taughened glass allows stores to stay open in the case of breakage since cracked or broken glass stays in the frame.  Smaller locations that are boarded up with plywood can leave customers with the impression that they are closed --and nobody can afford that. It’s critically important that everyone knows that you are
    Better Looking storefronts
    The second major concern is aesthetics.  Many of our retail customers located in downtown areas automatically assume that shutters will have to be installed to ensure adequate security after store opening hours. It is always a pleasure for me to see the relief on customers’ faces when I tell them about the security benefits of taughened glass and how the material eliminates the need for shutters, allowing much better looking storefronts.
    A Real Boost to the Bottom Line
    A third concern is security. The loss prevention officers of major retailers understand perhaps better than anyone else the extent to which break-ins and vandalism negatively affect the bottom line.  My retail customers tell me that the average cost of a break, in is US ＄ 30,000. This not only includes stolen goods but also takes account of the costs related to store downtime while repairs are effected, clean-up costs, inventory evaluation, and insurance assessment.  Increasingly, retailers’ loss prevention departments are prevailing in getting any broken glass in the store replaced with taughened glass. One retailer told me that over a three-year period, this policy has resulted in a 50 percent drop in damage from vandalism. due to the added strength of taughened glass.
    For the past five years, loss prevention officers have also been strongly in favor of getting taughened glass installed right from when the original storefront is specified. Because loss prevention is now recognized as such a major driver of profits and the bottom line, they are seeing their views prevail with owners. The task now is to help spread the word to commercial and residential owners everywhere regarding the optimal solutions ’ that taughened glass solutions bring to them.
    But what Is Taughened (safety) Glass
    Taughened glass is produced by applying a special treatment to ordinary float glass after it has been cut to size and finished. The treatment involves heating the glass so that it begins to soften (about 620 degrees C ) and then rapidly cooling it. This produces a glass which, if broken, breaks into small pieces without sharp edges.  The treatment does increase the surface tension of the glass which can cause it to." explode"  if broken; this is more a dramatic effect than hazardous.
    Crystal reinforcement is used where there is a desire for security as well as containing the glass if it breaks. The crystal is embedded in the glass during manufacturing. When the glass is broken the bond between the glass and crystal keeps pieces from falling out. The crystal also stops someone from forcing their way through the broken glass as would be possible if there was just a thin layer of plastic.
     It is important to note that the treatment must be applied only after all cutting and processing has been completed, as once "taughened", any attempt to cut the glass will cause it to shatter.
    Sydneys Galleries Victoria: Old world Charm Meets New-world Glass Technology
    The Galleries Victoria shopping mall in Sydney (completed: August 2000) designed  by Crone & Associates of Sydney, reintroduces the winding laneways and alleyways  known to the city 150 years ago--but in a modem contextual form, with the inclusion  of a floating, taughened glass roof, 22 meters above ground, creating a weather-protected,  naturally ventilated series of spaces. In another traditional architectural feature, taughened heat strengthened glass is used for the traditional street awnings that project into the mall and out onto the sidewalk; there is also a large, flat skylight of taughened heat strengthened glass over the mall’s main piazza.
    Clear glazed walls of 10. 38 mm taughened glass are incorporated to form enticing entrances to the laneways.
    Greg Crone said: "We set about developing highly transparent entries to allow the building street facade to continue in the laneways. The benefits of architectural taughened  glass are becoming more widely accepted, with architects now challenging and extending  the boundaries for which it can materially improve the amenity of the built environment  and contribute to architectural form.  Taughened glass also provides acoustic protection and fulfills safety requirements. The aesthetic variations are endless--from laminating in leaf forms to using tints or spandrel panels. We have used the material in many of our projects over the past 15 years, in shopping malls, high rise office buildings,  hotels and apartment buildings, throughout Asia, the Middle East and China."
    All the toughened glass for the Galleries Victoria Incorporates DuPont (tm) Butacite (r) PVB and was supplied by G. James Safety Glass of Australia.
In Sydney’s Galleries Victoria, the mall’s main piazza is covered with a large, flat skylight made of______.
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答案taughened heat strengthened glass
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