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Users Manual
C-4
Table C-1. Emissivity Values of Common Materials (cont.)
Material Temperature (°C) Emissivity
Quartz 0 0.93
Rubber 0 0.93
Shellac, black, dull 0 0.91
Shellac, black, shiny 0 0.82
Snow 0 0.80
Steel, galvanized 0 0.28
Steel, oxidized strongly 0 0.88
Steel, rolled freshly 0 0.24
Steel, rough surface 0 0.96
Steel, rusty red 0 0.69
Steel, sheet, nickel-
plated
0 0.11
Steel, sheet, rolled 0 0.56
Tar paper 0 0.92
Tin, burnished 0 0.05
Tungsten 0 0.05
Water 0 0.98
Zinc, sheet 0 0.20