Emissivity tables46
Table 46.1 T: Total spectrum; SW: 2–5 µm; LW: 8–14 µm, LLW: 6.5–20 µm; 1: Material; 2: Specification;
3:Temperature in °C; 4: Spectrum; 5: Emissivity: 6:Reference (continued)
1 2 3 4 5 6
Slag
boiler 600–1200 T 0.76–0.70 1
Snow: See Water
Soil
dry 20 T 0.92 2
Soil saturated with
water
20 T 0.95 2
Stainless steel
alloy, 8% Ni, 18%
Cr
500 T 0.35 1
Stainless steel rolled 700 T 0.45 1
Stainless steel
sandblasted 700 T 0.70 1
Stainless steel
sheet, polished 70
SW
0.18 9
Stainless steel sheet, polished 70 LW 0.14 9
Stainless steel
sheet, untreated,
somewhat
scratched
70
SW
0.30 9
Stainless steel sheet, untreated,
somewhat
scratched
70 LW 0.28 9
Stainless steel type 18-8, buffed
20 T 0.16 2
Stainless steel
type 18-8, oxi-
dized at 800°C
60 T 0.85 2
Stucco
rough, lime 10–90 T 0.91 1
Styrofoam
insulation 37
SW
0.60 7
Tar T 0.79–0.84 1
Tar
paper 20 T 0.91–0.93 1
Tile glazed 17
SW
0.94 5
Tin burnished 20–50 T 0.04–0.06 1
Tin tin–plated sheet
iron
100 T 0.07 2
Titanium
oxidized at 540°C
1000 T 0.60 1
Titanium oxidized at 540°C
200 T 0.40 1
Titanium
oxidized at 540°C
500 T 0.50 1
Titanium polished 1000 T 0.36 1
Titanium polished 200 T 0.15 1
Titanium polished 500 T 0.20 1
Tungsten 1500–2200 T 0.24–0.31 1
Tungsten 200 T 0.05 1
Tungsten 600–1000 T 0.1–0.16 1
Tungsten filament
3300 T 0.39 1
Varnish flat
20
SW
0.93 6
Varnish on oak parquet
floor
70
SW
0.90 9
Varnish on oak parquet
floor
70 LW 0.90–0.93 9
Wallpaper slight pattern,
light gray
20
SW
0.85 6
Wallpaper slight pattern, red 20
SW
0.90 6
Water distilled 20 T 0.96 2
#T810169; r. AN/42241/42268; en-US
148
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