Film mirror, film mirror for solar power generation and reflection device for solar power generation
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United States of America Patent
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Aug 18, 2015
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app pub date -
Jan 27, 2011
filing date -
Feb 5, 2010
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Abstract
A film mirror which is excellent in anti-staining and scratch resistance and can maintain good specular reflectance for sunlight over long period of time is disclosed, comprising a silver reflection layer provided on at least one side of a resin substrate, wherein the film mirror comprises an outermost layer on a light incident side and a surface of the outermost layer exhibits an electric surface resistivity value of 1.0×10−3 to 1.1×109 ohms per square, a pencil hardness of not less than H and less than 6H, and not more than 30 scratches in a steel wool test under a load of 500 g/cm2, and also disclosed are a production method thereof and a reflection device for solar power generation by use thereof.
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