54
Material
Emissivity
Iron, sheet, galvanized, oxidized
0.28
Iron,
shiny,
etched
0.16
Iron,
wrought,
polished 0.28
Lacquer,
Bakelite
0.93
Lacquer,
black,
dull
0.97
Lacquer,
black,
shiny
0.87
Lacquer,
white
0.87
Lampblack
0.96
Lead,
gray
0.28
Lead,
oxidized
0.63
Lead,
red,
powdered
0.93
Lead,
shiny
0.08
Mercury,
pure
0.10
Nickel,
on
cast
iron
0.05
Nickel,
pure
polished
0.05
Paint, silver finish**
0.31
Paint,
oil,
average
0.94
Paper,
black,
shiny
0.90
Paper,
black,
dull
0.94
Paper,
white
0.90
Platinum,
pure,
polished
0.08
Porcelain,
glazed
0.92
Quartz
0.93
Rubber .93
Shellac,
black,
dull
0.91
Shellac,
black,
shiny
0.82
Snow
0.80
Steel,
galvanized
0.28
Steel,
oxidized
strongly 0.88
Steel,
rolled
freshly
0.24
Steel,
rough
surface
0.96
Steel,
rusty
red 0.69
Steel,
sheet,
nickelplated
0.11
Steel,
sheet,
rolled
0.56
Tar
paper
0.92
Tin,
burnished
0.05
Tungsten
0.05
Water
0.98
Zinc,
sheet
0.20