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Appendix | Emissivity Table Non Metals
thermoMETER TIM 8 / thermoIMAGER TIM 40
A 4
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
