Silvered Polymer Reflectors

    Research output: NRELTechnical Report


    This paper reports on the status of silvered polymer mirrors. One of the principal objectives of the SERI Solar Thermal Research Program is to develop silvered polymer films for constructing durable, low-cost, lightweight concentrating collectors for high temperature, solar thermal systems. We are guided by earlier studies [1-3] toward the following long-term goals: reflectance 90%; specularity 2mrad; life 5 years; cost $15/m2 (1982$). Meeting these goals would permit using silvered polymers at a cost reduction compared with glass mirrors. Silvered polymer mirrors have not yet met these goals, although the present results are very encouraging. For less demanding applications the current silvered polymers may be satisfactory.
    Original languageAmerican English
    Number of pages12
    StatePublished - 1985

    NREL Publication Number

    • NREL/TP-255-2670


    • reflectance
    • silvered polymer mirrors
    • solar thermal systems


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