ThermoView® Series
Users Manual
40
N
ON
-M
ETALS
Emissivity
Material
8
–
14 µm
Asbestos
0.95
Asphalt
0.95
Basalt
0.7
Carbon
Unoxidized
0.8-0.9
Graphite
0.7-0.8
Carborundum
0.9
Ceramic
0.95
Clay
0.95
Concrete
0.95
Cloth
0.95
Glass
Plate
0.85
“Gob”
Gravel
0.95
Gypsum
0.8-0.95
Ice
0.98
Limestone
0.98
Paint (non-al.)
0.9-0.95
Paper (any color)
0.95
Plastic, opaque at 500 µm
thickness (20 mils)
0.95
Rubber
0.95
Sand
0.9
Snow
0.9
Soil
0.9-0.98
Water
0.93
Wood, Natural
0.9-0.95
Table 3: Typical Emissivity Values (Non-Metals)