RayTek TX Operating Instructions Manual page 39

Material
Lead
Polished
Rough
Oxidized
Magnesium
Mercury
Molybdenum
Oxidized
Unoxidized
Monel (Ni-Cu)
Nickel
Oxidized
Electrolytic
Platinum
Black
Silver
Steel
Cold-Rolled
Ground Sheet
Polished Sheet
Molten
Oxidized
Stainless
Tin (Unoxidized)
Titanium
Polished
Oxidized
Tungsten
Polished
Zinc
Oxidized
Polished
TX
1 µm 2.2 µm
0.05-0.2
0.5
0.3-0.7
0.3-0.8 0.05-0.2
0.05-0.15
0.5-0.9 0.4-0.9
0.25-0.35 0.1-0.3
0.3 0.2-0.6
0.8-0.9 0.4-0.7
0.2-0.4 0.1-0.2
0.95
0.04 0.02
0.8-0.9 —
0.6-0.7
0.35 0.2
0.35 0.25-0.4
0.8-0.9 0.8-0.9
0.35 0.2-0.9
0.25 0.1-0.3
0.5-0.75 0.2-0.5
0.6-0.8
0.1-0.6
0.1-0.3
0.6 0.15
0.5 0.05
Tab. 5: Typical Emissivity Values
Rev. O 06/2011
M
ETALS
Emissivity
5.1 µm
0.05-0.2
0.4
0.2-0.7
0.03-0.15
0.05-0.15
0.3-0.7
0.1-0.15
0.1-0.5
0.3-0.6
0.1-0.15
0.9
0.02
0.8-0.9
0.5-0.7
0.1
0.1-0.2
0.7-0.9
0.15-0.8
0.05
0.1-0.3
0.5-0.7
0.05-0.5
0.05-0.25
0.1
0.03
Appendix
8 – 14 µm
0.05-0.1
0.4
0.2-0.6
0.02-0.1
0.05-0.15
0.2-0.6
0.1
0.1-0.14
0.2-0.5
0.05-0.15
0.9
0.02
0.7-0.9
0.4-0.6
0.1
—
0.7-0.9
0.1-0.8
0.05
0.05-0.2
0.5-0.6
0.03
0.03-0.1
0.1
0.02
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