General IRT850K Manuel De L'utilisateur page 12

APPENDIX II
EMISSIVITIES OF COMMON MATERIALS
Material
Aluminum
Asphalt
Concrete
Asbestos
Ceramics
Brass
Brick
Carbon
Sludge
Frozen Food
Hot Food
Ice
Snow
Human Skin
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Emissivity
0.30
0.95
0.95
0.95
0.95
0.50
0.90
0.85
0.94
0.90
0.93
0.98
0.90
0.98
Material Emissivity
Glass 0.90 to 0.95
Iron Oxides 0.78 to 0.82
Paint 0.80 to 0.95
Plastic 0.85 to 0.95
Paper 0.70 to 0.94
Plaster 0.80 to 0.90
Rubber 0.95
Wood 0.90
Textile 0.94
Lead 0.50
Marble 0.94
Cloth (black) 0.98
Sand 0.90
Water 0.93