Beta 1760/IR800 Handbuch Seite 30

Emissivity Values
Substance.
Asphalt
Concrete
Cement..
Sand
Earth..
Water
Ice
Snow
Glass..
Ceramic..
Marble
Plaster
Mortar
Brick
Thermal.emissivity.
0.90 to 0.98
0.94
0.96.
0.90
0.92.to.0.96.
0.92 to 0.96
0.96 to 0.98
0.83
0.90.to.0.95.
0.90.to.0.94.
0.94
0.80 to 0.90
0.89 to 0.91
0.93 to 0.96
Substance.
Cloth (black)
Human skin
Lather..
Charcoal (powder)
Lacquer..
Lacquer (matt)
Rubber (black)
Plastic
Timber..
Paper..
Chromium oxides
Copper oxides
Iron oxides
Textiles
0
Thermal.emissivity
0.98
0.98
0.75.to.0.80
0.96
0.80.to.0.95
0.97
0.94
0.85 to 0.95
0.90
0.70.to.0.94
0.81
0.78
0.78 to 0.82
0.90