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XS, XST
Users Manual
Table A-1. Emissivity Values of Common Materials (cont.)
Material
Carbon, purified
Cast iron, rough casting
Cast iron, polished
Charcoal, powdered
Chromium, polished
Clay, fired
Concrete
Copper, polished,
annealed
Copper, commercial
burnished
Copper, oxidized
Copper, oxidized to
black
Electrical tape, black
plastic
Enamel
Formica
Frozen soil
Glass
Glass, frosted
Gold, polished
Ice
Iron, hot rolled
Iron, oxidized
A-2
Temperature (°C)
0
0
0
0
0
0
0
0-17
0
0
0
0
27
0
0
0
0
0
0
0
0
Emissivity
0.80
0.81
0.21
0.96
0.10
0.91
0.54
0.01-0.02
0.07
0.65
0.88
0.95
0.90
0.93
0.93
0.92
0.96
0.02
0.97
0.77
0.74
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