Raytek’s Spectral Emissivity Table for Non-metals
Posted by: grp in Building Materials, Ceramics & Glasses, Natural Materials, Other Materials, Plastics, Solids & Liquids, WaterThe Raytek North America website includes a table for the emissivity of a large range of non-metallic materials that includes common building materials, ceramics, glasses and natural materials including ice & water in as many as four wavelength regions.
Wavebands covered include 1.0 micrometer (micron), 5.0 microns, 7.9 microns and the 8-14 micron band. No specific data and the limits of the various wavebands and there are many instances where the wavelength region is labelled as “nr” meaning “Not Recommended”.


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