May 19, 2008
ASTM E423 – 71(2002) Standard Test Method for Normal Spectral Emittance at Elevated Temperatures of Nonconducting Specimens Developed by Subcommittee: E21.04 |Book of Standards Volume: 15.03 “1. Scope 1.1 This test method describes an accurate technique for measuring the normal spectral emittance of electrically nonconducting materials in the temperature range from 1000 to 1800 K, [...]
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May 19, 2008
NFRC 301-2004: Standard Test Method for Emittance of Specular Surfaces Using Spectrometric Measurements(Downloadable in PDF Format ) “1 Scope” “This test method determines the normal and hemispherical emittance of a specular surface. This test method describes the spectrometric measurement of the near-normal specular reflectance in the mid-infrared range from mid-infrared 5 to 25 um. It [...]
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