C-2. Emissivity Values For Non-Metals - Fluke Ti20 User Manual

Ti20
Users Manual
Tin (Unoxidized)
Titanium
Polished
Oxidized
Tungsten
Polished
Zinc
Oxidized
Polished
Asbestos
Asphalt
Basalt
Carbon
Unoxidized
Graphite
Carborundum
Ceramic
Clay
Concrete
Cloth
Glass
Plate
"Gob"
Gravel
Gypsum
Ice
C-4
Table C-1. Emissivity Values for Metals (cont)
Material
Table C-2. Emissivity Values for Non-Metals
Material
Emissivity
1.0 µm 1.6 µm
0.25 0.1-0.3
0.5-0.75 0.3-0.5
n.r. 0.6-0.8
n.r. 0.1-0.6
0.35-0.4 0.1-0.3
0.6 0.15
0.5 0.05
Emissivity
1.0 µm 1.6 µm
0.9 0.9
n.r. 0.95
n.r. 0.7
0.8-0.95 0.8-0.9
0.8-0.9 0.7-0.9
n.r. 0.9
0.4 0.85-0.95
n.r. 0.85-0.95
0.65 0.9
n.r. 0.95
n.r. 0.98
n.r. 0.9
n.r. 0.95
n.r. 0.4-0.97
n.r. —
8 to14 µm
n.r.
n.r.
0.5-0.6
n.r.
n.r.
0.1
n.r.
8 to 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
n.r.
0.95
0.8-0.95
0.98