Omega OS641C-MV-LS Product Manual page 13

Substance Thermal
emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Water 0.92 to 0.96
Ice 0.96 to 0.98
Snow 0.83
Glass 0.90 to 0.95
Ceramic 0.90 to 0.94
Marble 0.94
Plaster 0.80 to 0.90
Mortar 0.89 to 0.91
Brick (red) 0.93 to 0.96
Substance
Cloth (black)
Human skin
Lather
Charcoal (powder) 0.96
Lacquer
Lacquer (matt)
Rubber (black)
Plastic
Timber
Paper
chromium oxides 0.81
Copper oxides
lron oxides
Textiles
11
Thermal
emissivity
0.98
0.98
0.75 to 0.80
0.80 to 0.95
0.97
0.94
0.85 to 0.95
0.90
0.70 to 0.94
0.78
0.78 to 0.82
0.90