The document also details a new insulating glass unit (IGU) technology by PPG that can help window makers achieve R-5 insulating performance with dual-pane window construction.
Sungate 600 glass is a passive, low-emissivity glass that is designed to help homes retain furnace and solar heat, especially in cold, northern climates. In a standard 3/4-inch residential IGU, Sungate 600 glass has a winter nighttime U-value of 0.29, along with visible light transmittance (VLT) of 72 percent and a solar heat gain coefficient (SHGC) of 0.70.
PPG engineered Sungate 600 glass for use with SOLARBAN(R) solar control, low-e glasses. The data sheet illustrates a dual-pane IGU that incorporates one pane of 3-millimeter Solarban 60 glass on the second (No. 2) surface of the IGU and one 3-millimeter pane of Sungate 600 glass on the fourth (No. 4) surface, separated by a 1/2-inch of argon-filled space.
The dual-pane, dual-coat configuration enables the IGU to achieve R-5 (U-value of 0.22 or better) “center-of-glass insulating” performance. That means window makers can meet new energy-efficiency goals being emphasized by the federal government without incurring the expense and material costs associated with triple-glazed windows.
Visit www.ppgglass.com to download the data sheet for Sungate 600 glass, or call 888-PPG-GLAS (774-4527) to order a printed copy.
PPG: BRINGING INNOVATION TO THE SURFACE.(TM)
PPG Industries' vision is to continue to be the world’s leading coatings and specialty products company. Through leadership in innovation, sustainability and color, PPG helps customers in industrial, transportation, consumer products, and construction markets and aftermarkets to enhance more surfaces in more ways than does any other company. Founded in 1883, PPG has global headquarters in Pittsburgh and operates in more than 60 countries around the world. Sales in 2011 were $14.9 billion. PPG shares are traded on the New York Stock Exchange (symbol:PPG). For more information, visit www.ppg.com.