Eastman Chemical Company : Eastman Introduces New Saflex® Solar PVB to Help Control Solar Heat Gain

 Eastman Chemical Company : Eastman Introduces New Saflex® Solar PVB to Help
                           Control Solar Heat Gain

KINGSPORT, Tenn., (April 16, 2013) - Controlling solar heat gain in buildings
is an ongoing challenge for design professionals, but a new PVB interlayer
from Eastman Chemical Company, called Saflex^® SG, offers significant
advantages for those designing projects in hot climates. SaflexSG solar
interlayer employs a proprietary IR absorbing technology designed to enhance
solar heat gain performance as compared to monolithic glass and clear
monolithic glass laminates made with standard clear polyvinyl butyral (PVB)
interlayer. And it does so while maintaining high levels of visible light

"Saflex SG is the best performing IR absorbing PVB interlayer on the market,"
says John Meade, Eastman Market Development Manager. The product offers a 0.55
Solar Heat Gain Coefficient (SHGC) and greater than 70 percent Visible Light
Transmittance (VLT) when used with 3mm clear glass. 

Saflex SG can be used to meet or exceed many regulations for laminated safety
glazing when properly selected, laminated and installed. The company expects
to see the product used in both residential and commercial construction,
including specialty applications such as bent glass, point fixed glass
systems, overhead awnings, and glazing for non-conditioned spaces. Saflex SG
is suitable for large glass facades, curtain walls, storefronts, windows and
skylights. As with all Saflex interlayers, Saflex SG has been formulated to
provide exceptional durability when exposed to natural weathering. 

"While the initial investment for Saflex SG is higher than clear PVB,
mechanical downsizing, and operational savings offset initial incremental
costs, while the dividends of improved occupant comfort and productivity are
enjoyed from day one," says Doug Marren, Eastman Architectural Business

"Until now, architectural options for solar control in monolithic glass
applications had some drawbacks," says Meade. "IR reflective coated glass can
be effective, but typically needs to edge deleted - Saflex SG does not.
Additionally, coated glass products have a short shelf life, which can be
problematic for fabricators in many world areas forcing them to order on a job
by job basis, with resultant storage issues for unused glass. SG is ordered
and handled like ordinary PVB, so there are fewer shelf life limitations and
potentially less supply chain issues for the fabricator."

Saflex SG interlayer also provides all the benefits of safety glazing, glass
shard retention, structural integrity, sound abatement, security and storm
protection. In hot, humid climates where severe weather is a concern, Saflex
SG can meet or exceed strict hurricane codes.

                                    # # #

Eastman is a global specialty chemical company that produces a broad range of
products found in items people use every day. With a portfolio of specialty
businesses, Eastman works with customers to deliver innovative products and
solutions while maintaining a commitment to safety and sustainability. Its
market-driven approaches take advantage of world-class technology platforms
and leading positions in attractive end-markets such as transportation,
building and construction, and consumables. Eastman focuses on creating
consistent, superior value for all stakeholders. As a globally diverse
company, Eastman serves customers in approximately 100 countries and had 2012
pro forma combined revenues, giving effect to the Solutia acquisition, of
approximately $9.1 billion. The company is headquartered in Kingsport,
Tennessee, USA and employs approximately 13,500 people around the world. For
more information, visit www.eastman.com.



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Source: Eastman Chemical Company via Thomson Reuters ONE
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