TV304 User’s Manual
27
10 Appendix Material Emissivity
(
Only for reference
)
Material Exterior
Status
Temperature
(
°C
)
Emissivity
(
ε
)
Non-oxidation
100
0.20
Aluminum
Oxygenated 100
0.55
Brown after grinding
20
0.40
Dull luster
38
0.22
Brass
Oxygenated 100
0.61
Copper seriously
oxygenated 20
0.78
Oxygenated 100
0.74
Iron
Rusty
25
0.65
Oxygenated 200
0.64
Cast iron
Non-oxygenated 100
0.21
Quarry-faced 25
0.94
Glazed
38
0.35
Wrought iron
Polished
38
0.28
Nickel
Non-oxygenated
200
0.37
Stainless steel
Oxygenated
60
0.85
Steel Oxygenated
in
200
0.79
Common brick
Surface
20
0.93
Concrete Surface
20
0.92
Glass polished
plate
20
0.94
White
100
0.92
Lacquer
Black
100
0.97
Smoke black
25
0.95
Candle soot
20
0.95
Carbon
Rough lead surface
20
0.98
Oil Paint
Mean value of 16 colors
100
0.94
Paper
White
20
0.93
Summary of Contents for TV304
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