24
Model
TW2000
Copper, oxidized
78
Leather
75���80
Marble
94
Brass, oxidized
56���64
Paper
70���94
Sand
90
Fireclay
75
Steel, stainless
45
Steel, rusty
69
Textiles
75���88
Water
92���98
Cement
90
Bricks
93���96
Model
TW2001 / TW2011 TW2002
Wavelength λ
1,1...1,7 μm
0,78...1,06 μm
"Black body"
100
100
Aluminium, polished
5
15
Aluminium, filed smooth
10
25
Asbestos cement
60
70
Bronze, polished
1
3
Bronze, filed smooth
15
30
Chromium, polished
15
30
Iron, heavily scaled
90
95
Iron, rolling skin
75
90
Iron, liquid
15
30
Gold and silver
1
2
Graphite, filed smooth
85
90
Copper, oxidised
70
90
Brass, oxidised
50
70
Nickel
8
20
Porcelain, glazed
50
60