Extech Instruments AN200 User Manual page 12

Thermal Emissivity Table for Common Materials
Material
Asphalt
Concrete
Cement
Sand
Earth
Water
Ice
Snow
Glass
Ceramic
Marble
Plaster
Mortar
Brick
Emissivity
0.90 to 0.98
0.94
0.96
0.90
0.92 to 0.96
0.67
0.96 to 0.98
0.83
0.85 to 1.00
0.90 to 0.94
0.94
0.80 to 0.90
0.89 to 0.91
0.93 to 0.96
12
Material
Cloth (black)
Human skin
Leather
Charcoal (powder)
Lacquer
Lacquer (matt)
Rubber (black)
Plastic
Timber
Paper
Chromium oxides
Copper Oxides
Iron Oxides
Textiles
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
AN200 V2.1 05/07