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Table A-1. Emissivity Values of Common Materials (cont.)
Material
Iron, sheet galvanized,
burnished
Iron, sheet, galvanized,
oxidized
Iron, shiny, etched
Iron, wrought, polished
Lacquer, Bakelite
Lacquer, black, dull
Lacquer, black, shiny
Lacquer, white
Lampblack
Lead, gray
Lead, oxidized
Lead, red, powdered
Lead, shiny
Mercury, pure
Nickel, on cast iron
Nickel, pure polished
Paint, silver finish
Paint, oil, average
Paper, black, shiny
Paper, black, dull
Paper, white
Platinum, pure, polished
Porcelain, glazed
Temperature (°C)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
0
0
0
0
0
0
Appendices
Emissivity Values
Emissivity
0.23
0.28
0.16
0.28
0.93
0.97
0.87
0.87
0.96
0.28
0.63
0.93
0.08
0.10
0.05
0.05
0.31
0.94
0.90
0.94
0.90
0.08
0.92
A
A-3
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