PPG reports major advances in solar mirror development through DOE contract

PPG Industries, Pittsburgh, has reported major advances in solar mirror development for concentrated solar power applications, including improvements in solar mirror reflectance performance of up to 1 percent after heat treatment; production of flat solar mirrors as large as approximately 89 x 126 inches on standard production equipment; and formulation of a lead-free encapsulant that prevents solar mirrors from degrading and losing reflectivity in accelerated testing, according to a June 22 release.

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