RayTek TX Operating Instructions Manual page 42

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
TX
info@Raytek-Direct.com
Material
1 µm
0.9
0.4
0.65
Tab. 6: Typical Emissivity Values
N -M
ON
Emissivity
2.2 µm 5.1 µm
0.8 0.9
— 0.95
— 0.7
0.8-0.9 0.8-0.9
0.8-0.9 0.7-0.9
0.95 0.9
0.8-0.95 0.8-0.95
0.8-0.95 0.85-0.95
0.9 0.9
— 0.95
0.2 0.98
0.4-0.9 0.9
— 0.95
— 0.4-0.97
— —
— 0.4-0.98
— —
— 0.95
— 0.95
— 0.9
— 0.9
— —
— —
— —
— 0.9-0.95
Rev. O7 07/2017
Appendix
ETALS
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
1.888.610.7664
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