HD300 Datasheet, PDF (9/13 Pages) Extech Instruments Corporation. – Heavy Duty CFM-CMM Thermo-Anemometer

Thermal Emissivity Table for Common Materials
Material
Emissivity
Material
Asphalt
0.90 to 0.98
Cloth (black)
Concrete
0.94
Human skin
Cement
0.96
Leather
Sand
0.90
Charcoal (powder)
Earth
0.92 to 0.96
Lacquer
Water
0.67
Lacquer (matt)
Ice
0.96 to 0.98
Rubber (black)
Snow
0.83
Plastic
Glass
0.85 to 1.00
Timber
Ceramic
0.90 to 0.94
Paper
Marble
0.94
Chromium oxides
Plaster
0.80 to 0.90
Copper Oxides
Mortar
0.89 to 0.91
Iron Oxides
Brick
0.93 to 0.96
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
9
HD300 V2.0 11/07