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  1. Second generation low emissivity glass

    270 Low-E glass is a second generation low emissivity glass that contains two layers of silver, which selectively transmit visible light and reflect solar heat and infrared, making it efficient in both hot and cold climates.
    sunwindows.com/glass-270.html
    sunwindows.com/glass-270.html
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  2. Glass Performance Data | Cardinal Glass Industries

    Glass Performance Data. Loading... Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. Argon fill is 90% and air fill is 100%. Actual values may vary due to production tolerances. This performance data …

  3. 270 Low-E Glass - Sun Windows

    Sun Advantage 270 is a high-performance, second-generation Low- (Low-E squared) glass that contains two layers of silver, which selectively transmit visible light and reflect solar heat and infrared spectrum, making it efficient in both hot …

  4. LoE-270 - ALL CLIMATE SOLAR CONTROL GLASS

    LoE-270 reduces solar heat gain by 50% or more when compared to ordinary glass. Due to its clarity, LoE-270 outperforms tinted glass that would typically be used in sunny climates. It blocks 86% of the sun’s harmful ultraviolet rays and …

  5. 270 plus I-89 Low-E Glass - sunwindows.com

    270 plus Low-E glass adds I-89 glass for a 4th surface low-emissivity coating which extends the effective performance of the insulated glass unit.

  6. Low-E Information & Specifications - Beacon Hill Glass