Emissivity Of Different Surfaces - VOLTCRAFT IR 900-30S Bedienungsanleitung

12. EmISSIVIty of DIffErENt SurfaCES

The values stated in the table are approximate values. Different parameters like surface geometry or quality
can influence the emissivity of an object.
Surface
asphalt
concrete
ice
iron oxide
soil. humus
gypsum
glass/ceramic
rubber (black)
paints
30
Emissivity
0.90 – 0.98
0.94
0.96 – 0.98
0.78 – 0.82
0.92 – 0.96
0.80 – 0.90
0.90 – 0.95
0.94
0.80 – 0.95
Surface
paints (matt)
human skin
mortar
paper
plastic
sand
textiles
water
bricks
Emissivity
0.97
0.98
0.89 – 0.91
0.70 – 0.94
0.85 – 0.95
0.90
0.90
0.92 – 0.96
0.93 – 0.96