6
5
4
3
2
1
2
0.98
T
32
human
Skin
1
0.97–0.93
T
0–100
boiler
Slag
1
0.89–0.78
T
200–500
boiler
Slag
1
0.76–0.70
T
600–1200
boiler
Slag
1
0.69–0.67
T
1400–1800
boiler
Slag
Snow: See Water
2
0.92
T
20
dry
Soil
2
0.95
T
20
saturated with wa-
ter
Soil
1
0.35
T
500
alloy, 8% Ni, 18%
Cr
Stainless steel
1
0.45
T
700
rolled
Stainless steel
1
0.70
T
700
sandblasted
Stainless steel
9
0.14
LW
70
sheet, polished
Stainless steel
9
0.18
SW
70
sheet, polished
Stainless steel
9
0.28
LW
70
sheet, untreated,
somewhat
scratched
Stainless steel
9
0.30
SW
70
sheet, untreated,
somewhat
scratched
Stainless steel
2
0.16
T
20
type 18-8, buffed
Stainless steel
2
0.85
T
60
type 18-8, oxi-
dized at 800°C
Stainless steel
1
0.91
T
10–90
rough, lime
Stucco
7
0.60
SW
37
insulation
Styrofoam
1
0.79–0.84
T
Tar
1
0.91–0.93
T
20
paper
Tar
5
0.94
SW
17
glazed
Tile
1
0.04–0.06
T
20–50
burnished
Tin
2
0.07
T
100
tin–plated sheet
iron
Tin
Publ. No. T559733_en-US Rev. a571 – ENGLISH (EN) – November 4, 2011
97
22 – Emissivity tables
