22
10.2.2 Emissivity for TW2000, TW2100
(λ = 8...14 μm)
Material
[%]
Material
[%]
Alumina
76
Lime plaster
91
Asphalt
90���98
Clinker brick, glazed
75
Baking oven
96
Table stove
95
Concrete
55���65
Copper, oxidised
78
Bitumen
(roofing cardboard)
96
Plastics, opaque
65���95
Bread in the oven
88
Leather
75���80
Iron oxide
85���89
Marble
94
Enamel
84���88
Brass, oxidised
56���64
Soil
92���96
Paper
70���94
Paints and lacquers, shiny
92
Sand
90
Paints and lacquers, matt
96
Chamotte
75
Plaster
80���90
Black body
100
Glass
85���95
Steel, antirust
45
Graphite
98
Steel, red oxidised
69
Rubber, black
94
Textiles
75���88
Skin, human
98
Water
92���98
Radiator
80���85
Cement
90
Wood
80���90
Brick
93���96