STP1574

    Standard Reference Material 1450d, Fibrous Glass Board, for Thermal Insulation Measurements

    Published: Jan 2014


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    Abstract

    Thermal conductivity measurements at and near room temperature are presented as the basis for certified values of thermal conductivity for Standard Reference Material 1450d, Fibrous Glass Board. The measurements have been conducted in accordance with a randomized full factorial experimental design with two variables, bulk density and temperature, using the National Institute of Standards and Technology 1016 mm line-heat-source guarded-hot-plate apparatus. The thermal conductivity of the specimens was measured over a range of bulk densities from 114 to 124 kg/m3 and mean temperatures from 280 to 340 K. Uncertainties of the measurements, consistent with current international guidelines, have been prepared. A summary of the physical properties and associated analyses of Standard Reference Material 1450d are presented.

    Keywords:

    bulk density, certified reference material, guarded hot plate, heat flow meter, high density molded fibrous glass board, standard reference material, thermal conductivity, thermal insulation, thermal resistance


    Author Information:

    Zarr, Robert R.
    Mechanical Engineer, National Institute of Standards and Technology, Gaithersburg, MD

    Leigh, Stefan D.
    Mathematical Statistician, National Institute of Standards and Technology, Gaithersburg, MD


    Paper ID: STP157420130063

    Committee/Subcommittee: C16.90

    DOI: 10.1520/STP157420130063


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