This chart should be used for guidance only.
Material
Asphalt
Red brick
Gray brick
Porcelain ceramic
Fired clay
Rough concrete
Cotton cloth
Smooth glass
Granite
Gravel
Smooth ice
Smooth white marble
Black paint
Hard rubber
Wood
Matte copper
Commercial sheet aluminum
Cold rolled steel
Find a comprehensive list of emissivity values in the app's FAQ section
or visit www.kleintools.com/emissivity.
OPERATING INSTRUCTIONS
Emissivity
0.93
0.93
0.75
0.92
0.91
0.94
0.77
0.92 - 0.94
0.45
0.28
0.97
0.56
0.96
0.94
0.80 - 0.90
0.22
0.09
0.75 - 0.85
11