Volume 4, Issue 1 (January 2007)

    Interlaboratory Comparison of the Thickness of the Destroyed Surface Layer of Closed-Cell Foam Insulation Specimens

    (Received 25 January 2006; accepted 10 November 2006)

    CODEN: JAIOAD

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    Abstract

    The preparation of closed-cell foam insulation test specimens can affect the results of a number of hygrothermal property measurements. In particular, the thickness of the destroyed surface layer affects the measurement of gas diffusion coefficients and thermal conductivity. Multiple specimen preparation methods are in use, as well as multiple methods to measure the thickness of the destroyed surface layer. A ruggedness test, including an interlaboratory comparison, was conducted by an ASTM technical committee to examine the variations due to both of these factors. The results are important in understanding the likely range in values for each preparation technique. The results also demonstrate a sensitivity to the measurement technique.


    Author Information:

    Stovall, TK
    Senior Research Engineer, Oak Ridge National Laboratory, Oak Ridge, TN


    Stock #: JAI100321

    ISSN: 1546-962X

    DOI: 10.1520/JAI100321

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    Author
    Title Interlaboratory Comparison of the Thickness of the Destroyed Surface Layer of Closed-Cell Foam Insulation Specimens
    Symposium Heat-Air-Moisture Transport: Measurements on Building Materials, 2006-04-26
    Committee C24