64
Emissivities of Common Materials (Con’t)
Material
Temperature
°C
Emissivity
ELECTRIC MATERIALS
Epox
lass plate 0.86
Epox
h
drox
benzene plate 0.80
Gilded sheet copper 0.30
Solder-coated copper 0.35
Tin-coated lead wire 0.28
Brass wires
0.870.88
Block talcum terminal 0.87
