User manual

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Table 1: Typical emissivity coefcient values
Material Emissivity
Aluminum, polished 0.05
Aluminum, rough surface 0.07
Aluminum, strongly oxidized 0.25
Asbestos board 0.96
Asbestos fabric 0.78
Asbestos paper 0.94
Asbestos slate 0.96
Brass, dull, tarnished 0.22
Brass, polished 0.03
Brick, common 0.85
Brick, glazed, rough 0.85
Brick, refractory, rough 0.94
Bronze, porous, rough 0.55
Bronze, polished 0.10
Carbon,puried    0.80
Cast iron, rough casting 0.81
Cast iron, polished 0.21
Charcoal, powdered 0.96
Chromium, polished 0.10
Clay,red     0.91
Concrete 0.54
Copper, polished, 0.01
Copper, commercial burnished 0.07
Copper, oxidized 0.65
Copper, oxidized to black 0.88
Electrical tape, black plastic 0.95
Enamel ** 0.90
Formica 0.93
Frozen soil 0.93
Glass 0.92
Glass, frosted 0.96
Gold, polished 0.02
Ice 0.97
Iron, hot rolled 0.77
Iron, oxidized 0.74
Iron, sheet galvanized, burnished 0.23