2009-04-08 |
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Laminated architectural glass is being used increasingly to meet modern safety codes and save energy through added daylighting and solar design. It also adds anti-intrusion security, sound reduction and protection from UV rays. Two common types of interlayer for laminated glass are films made of polyvinyl butyral, also called PVB, or DuPont™ SentryGlas® ionoplast (www.safetyglass.dupont.com). The latter, developed especially for structural elements in architectural glazing, offers greater levels of clarity, is 5 times tougher and up to 100 times stiffer than PVB. Accordingly, SentryGlas® is particularly well-suited to overhead glazing installations, facades, stair treads, balustrades or flooring applications. The laminates photographed here were made with low-iron glass, gaining popularity for its clear white light, compared to using normal (greenish) glass. In laminates made with low-iron glass, the color contributed by the interlayer becomes more important. Many architects prefer the more natural, non-yellow light transmitted through low-iron laminates made with SentryGlas® interlayers (Photo, right) over those made with PVB (Photo, left). |
DuPont de Nemours (Deutschland) GmbH, Neu-Isenburg, Germany
Reitz Technik GmbH
63599 Biebergemünd, Germany
BMSplasticshop
57580 Gebhardshain, Germany
General-Industries Polymere GmbH
34123 Kassel, Germany
Holzmühle Westerkamp GmbH
49429 Visbek, Germany
M. Swarovski GmbH / SWARCO INDUSFERICA
3363 Neufurth, Austria