Low-E Coating

Viracon has added VUE-30 to its line of high-performance glass coatings, which offers good visible light transmittance relative to solar heat gain performance. When applied to a 1/4-in. clear substrate, the performance provides a solar heat gain coefficient of 0.18 and a visible light transmittance of 31 percent, with a light to solar gain ratio of 1.72. The DOE views an LSG of 1.25 or greater to be green glazing/spectrally selective glazing.

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