Table G-1. Emissivities For Spectral Range: 0.7 Μm To 1.1 Μm; Table G-2. Emissivities For Spectral Range: 1.45 Μm To 1.8 Μm - Advanced Energy Impac 600 Series User Manual

Emissivity of Common Materials
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Important
Emissivity tables only provide approximate values. Actual emissivity values
will always vary depending on the measuring conditions, and should be
calculated using other methods.
Table G‑1. Emissivities for spectral range: 0.7 μm to 1.1 μm
Target Object Material
Aluminum, bright
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‑2. Emissivities for spectral range: 1.45 μm to 1.8 μm
Target Object Material
Aluminum, bright
57010228-00C
®
Impac Series 600 Pyrometer
15
100
65 to 75
85 to 90
3
45 to 60
28 to 32
88
86 to 90
2
80 to 92
22
60
80 to 90
2
85
95
93
30
88
58
10
Emissivity of Common Materials
Appendix
Emissivity (%)
Emissivity (%)
G
G‑1