MRC IR-CAM-B-70, Operation Manual

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9. Appendix: Emissivity of Raw Material
（
For reference purpose only
）
Material Surface Temp (
O
C) Emissivity (
ε
)
inoxidized 100 0.20
Aluminum
Oxidized 100 0.55
Brown polished 20 0.40
Unpolished 38 0.22
Brass
Oxidized 100 0.61
Copper Oxidized badly 20 0.78
Oxidized 100 0.74
Iron
Rusted 25 0.65
Oxidized 200 0.64
Cast Iron
inoxidized 100 0.21
Rough 25 0.94
Wrought
Iron
Polished 38 0.28
Nickel Oxidized 200 0.37
Stainless
Steel
Oxidized 60 0.85
Steel
800
℃
Oxidized
200 0.79
Brick -- 20 0.93
Concrete -- 20 0.92
Glass Smooth flat 20 0.94
White 100 0.92
Lacquer
Natural Black 100 0.97
Smoky black 25 0.95
Candle smoke 20 0.95
Carbon
Black-lead rough 20 0.98
Paint 16 Color average 100 0.94
Paper White 20 0.93
Soil -- 20 0.90
Wood Polished 30 0.90
Water -- 30 0.96
Skin Human 32 0.98
Fine 21 0.90
China
Rough 21 0.93