Emissivity
Emissivity table
The values given in the table can differ in practice due to the surface texture,
geometry or other interfering factors.
Surface
Aluminium
Asbestos
Asphalt
Basalt
Brass (oxidised)
Stone
Carbon
Ceramic
Concrete
Copper (oxidised)
Dirt
Frozen food
Hot food
Glass
Ice
Iron (oxidised)
Lead (oxidised)
Sandstone
Paint
Paper
Plastic (full over 20 µm)
Rubber
Sand
40
Emissivity
0.30
0.95
0.95
0.70
0.50
0.90
0.85
0.95
0.95
0.95
0.94
0.90
0.93
0.85
0.98
0.70
0.50
0.98
0.93
0.95
0.95
0.95
0.90
Testboy
®
TV 325