13
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
7. MAINTENANCE
Repairs or service are not covered in this manual and
should only be carried out by qualified trained
technician.
Periodically, wipe the body with a dry cloth. Do not use