0
EN
Emissivity Values
Substance.
Thermal.emissivity.
Substance.
Thermal.emissivity
Asphalt
0.90 to 0.98
Cloth (black)
0.98
Concrete
0.94
Human skin
0.98
Cement..
0.96.
Lather..
0.75.to.0.80
Sand
0.90
Charcoal (powder)
0.96
Earth..
0.92.to.0.96.
Lacquer..
0.80.to.0.95
Water
0.92 to 0.96
Lacquer (matt)
0.97
Ice
0.96 to 0.98
Rubber (black)
0.94
Snow
0.83
Plastic
0.85 to 0.95
Glass..
0.90.to.0.95.
Timber..
0.90
Ceramic..
0.90.to.0.94.
Paper..
0.70.to.0.94
Marble
0.94
Chromium oxides
0.81
Plaster
0.80 to 0.90
Copper oxides
0.78
Mortar
0.89 to 0.91
Iron oxides
0.78 to 0.82
Brick
0.93 to 0.96
Textiles
0.90
Beta 1760_IR800.indd 30
16-04-2008 16:41:29