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Advanced Energy
Table G‑2. Emissivities for spectral range: 1.45 μm to 1.8 μm (Continued)
Target Object Material
Blackbody furnace
Brass, oxidized (tarnished)
Brick
Bronze, bright
Chamotte
Chromium, bright
Copper, oxidized
Earthenware, glazed
Gold, bright
Graphite
Nickel
Porcelain, glazed
Porcelain, rough
Silver, bright
Slag
Soot
Steel, heavily scaled
Steel, molten
Steel, rolling skin
Zinc
Table G‑3. Emissivities for spectral range: 2 μm to 2.6 μm
Target Object Material
Aluminum, extruded
Brass
Brass, oxidized (tarnished)
Black carbon
Blackbody furnace
Copper
Copper, oxidized
Graphite
Inconel
Inconel, oxidized
Iron, oxidized
57010228-00C
100
60 to 70
80 to 90
3
45 to 60
25 to 30
70 to 85
80 to 90
2
86 to 90
15 to 20
60
86 to 90
2
80 to 85
95
85 to 90
20 to 25
80 to 88
45 to 55
13
18
65 to 70
95
100
5
70 to 80
80 to 90
30
85
85 to 90
Emissivity of Common Materials
®
Impac
Series 600 Pyrometer
Emissivity (%)
Emissivity (%)
G‑2
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