RayTek TX Operating Instructions Manual page 40

Appendix
Material
Asbestos
Asphalt
Basalt
Carbon
Unoxidized
Graphite
Carborundum
Ceramic
Clay
Concrete
Cloth
Glass
Plate
"Gob"
Gravel
Gypsum
Ice
Limestone
Paint (non-al.)
Paper (any color)
Plastic (opaque, over 20 mils)
Rubber
Sand
Snow
Soil
Water
Wood, Natural
40
1 µm 2.2 µm
0.9 0.8
—
—
0.8-0.9
0.8-0.9
0.95
0.4 0.8-0.95
0.8-0.95
0.65 0.9
—
0.2
0.4-0.9
—
—
—
—
—
—
—
—
—
—
—
—
—
Tab. 6: Typical Emissivity Values
Rev. O 06/2011
N -M
ON ETALS
Emissivity
5.1 µm
0.9
0.95
0.7
0.8-0.9
0.7-0.9
0.9
0.8-0.95
0.85-0.95
0.9
0.95
0.98
0.9
0.95
0.4-0.97
—
0.4-0.98
—
0.95
0.95
0.9
0.9
—
—
—
0.9-0.95
8 – 14 µm
0.95
0.95
0.7
0.8-0.9
0.7-0.8
0.9
0.95
0.95
0.95
0.95
0.85
—
0.95
0.8-0.95
0.98
0.98
0.9-0.95
0.95
0.95
0.95
0.9
0.9
0.9-0.98
0.93
0.9-0.95
TX