A 7 Emissivity Table Non Metals
Material Typical Emissivity
Spectral response 1.0 μm 2.3 μm 5.1 μm 8 - 14 μm
Asbest 0.9 0.8 0.9 0.95
Aphalt 0.95 0.95
Basalt 0.7 0.7
Carbon Non oxidized 0.8 - 0.9 0.8 - 0.9 0.8 - 0.9
Graphite 0.8 - 0.9 0.7 - 0.9 0.7 - 0.9
Carborundum 0.4 0.8 - 0.95 0.8 - 0.95 0.95
Cement 0.65 0.9 0.9 0.95
Ceramic 0.65 0.9 0.9 0.95
Glass Plate 0.2 0.98 0.85
Melt 0.4 - 0.9 0.9
Grit 0.95 0.95
Gypsum 0.4 - 0.97 0.8 - 0.95
Ice 0.98
Limestone 0.4 - 0.98 0.98
Paint Non alcaline 0.9 - 0.95
Paper Any color 0.95 0.95
Plastic > 50 μm Non transparent 0.95 0.95
Rubber 0.9 0.95
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