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3M Light Redirecting Film

3M Light Redirecting Film

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3M’s unique weathering laboratories conduct proprietary accelerated aging tests to predict outdoor weathering effects.

  • Diagram of how LRF works

    Increases module power by 1.5% - 2.0%

    A significant portion of light that would otherwise be reflected out of the module is recaptured.

  • Image showing varying tests with testing hours

    Tested beyond IEC requirements with no visual or function degradation


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Statistics on deployments and durability
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  • chart of global weathering sites and 5 major climates

    80+ years of weathering science

    3M has organized weathering program since the 1930s.
     

    • 100+ Accelerated weathering test devices – many of them state of the art operating 24/7, overseen by a dedicated research staff of scientists.
    • 18 Outdoor weathering sites around the world representing 5 major climates.  Facilities include 3M’s Weathering Research Center, the world’s largest single-site accelerated weathering facility.
  • Photo of man shining laser on solar panel to show dispersion

    5 years of outdoor exposure to date with consistent power output


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