Appendix B – Emissivity Table Non Metals
Material
Asbestos
Asphalt
Basalt
Carbon
non oxidized
graphite
Carborundum
Ceramic
Concrete
Glass
Grit
Gypsum
Ice
Limestone
Paint
non alkaline
Paper
any color
Plastic >50 µm
non transparent
Rubber
Sand
Snow
Soil
Textiles
Water
Wood
natural
26
typical
Emissivity
0,95
0,95
0,7
0,8-0,9
0,7-0,8
0,9
0,95
0,95
0,85
0,95
0,8-0,95
0,98
0,98
0,9-0,95
0,95
0,95
0,95
0,9
0,9
0,9-0,98
0,95
0,93
0,9-0,95
optris PI – E2008-06-A
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