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Green goes global

Post Time:Nov 12,2013Classify:Industry NewsView:146

Energy efficiency takes center stage at the International Glass Technology Seminar & Trade Show in India

Number of companies: 222 Number of countries represented: 20 Floor space: 20,000 square meters Number of first-day attendees: 2,650 Total number of attendees at Zak Glasstech International 2005: 13,500

Day one seminars at the 4th International Glass Technology Seminar & Trade Show in India reflected a popular trend in the U.S. glazing industry: green architecture. The show opened at Pragati Maidan, New Delhi, Dec. 8 and ended Dec. 10. Even though each seminar topic was different, they all touched on the green trend and emphasized the importance of energy-efficient structures. The seminars attracted 45 participants. R. Subramanian, director of operations, Sejal Architectural Glass Ltd., Mumbai, spoke on Selection of Glass for Green Buildings. “We need to focus on techniques that minimize environmental impacts, reduce energy consumption and contribute to health and productivity,” he said. “Spectrally selective glazing is ideal for green buildings. Also, use inclined glazing, external shading, light shelves and north lighting.” Arthur Millwood, technical and training manager, Emirates Glass LLC, Dubai, spoke on “Why Architects Should Use Sputter Coated Glass – to Respect Green Building Principles.” “Air conditioning is expensive and can comprise up to 30 percent of building cost over the life of the building,” Millwood said. “The greatest contributor to heat gain in an air-conditioned building is through the fenestration. Glass is highly transparent to directly transmitted solar energy but is relatively opaque to the longer wave energy accumulated in the room which cannot escape back to the exterior as fast as the incoming solar heat.” To overcome this problem, permanent solar control metallic reflective materials must be mechanically deposited on the glass, Millwood said. This is done through two technologies: pyrolitic and magnetic sputtered vacuum deposition. Pyrolitic glass is low-emissivity, durable, provides solar control, can be transported, stocked, tempered, curved and double glazed after the coating process, but it offers limited range of coatings and substrates. MSVD, however, offers an immense range of coating options on a full range of substrates, he said. “Sputter coated glass is the only way forward to reach real energy efficiency through glazed openings,” Millwood concluded. Narelle Skinner, technical service manager, Construction Industry Asia, Dow Corning Australia Pty. Ltd., spoke on “Silicones: the Wonderful Material.” “Structural silicone is a continuous flexible anchor,” she said. “It is durable, energy efficient, thermal, air and water resistant, non-hazardous and non-allergenic, and low maintenance. It provides the best solution for green buildings.” In discussing “Safety and Security of Glass Applications,” Joan “Hans” Mortelmans, head of technical services, Kuraray Specialities Europe GmbH, Germany, emphasized the benefits of laminated glass with PVB: safety and security, and solar and sound control. Vivek Dubey, head marketing, Gold Plus Toughened Glass Ltd., New Delhi, discussed “Insulating Glass Processing and Applications.” “IGs provide more effective thermal insulation, better solar energy control, superior sound insulation, condensation control, and saves monthly heating and cooling costs,” he said. Read more about the trade show and seminars in the February issue of Glass Magazine.

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