SDS HotFind-D - Page 44

HotFind-D Infrared Camera Operation Manual
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Appendix:
Emissivity of Various Materials
Material
Emissivity
Temperature (°C)
approximation
Metal
Aluminum
Polished aluminum 100 0.09
Commercial aluminum
100 0.09
foil
Electrolytic
25～600
0.55
chromeplate alumina
25～600 0.10～0.20
Mild alumina
25～600 0.30～0.40
Strong alumina
Brass
Brass mirror (highly
28 0.03
polished)
200～600 0.61～0.59
Brass oxide
Chrome
40～1090 0.08～0.36
Polished chrome
Copper
Copper mirror 100 0.05
Strong copper oxide 25 0.078
800～1100 0.66～0.54
Cuprous oxide
1080～1280 0.16～0.13
Liquid copper
Gold
230～630
Gold mirror 0.02