Major tech MT694 - Emissivity Values

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13. Emissivity Values
Substance Thermal Emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Water 0.92 to 0.96
Ice 0.96 to 0.98
Snow 0.83
Glass 0.90 to 0.95
Ceramic 0.90 to 0.94
Marble 0.94
Plaster 0.80 to 0. 90
Mortar 0.89 to 0. 91
Brick 0.93 to 0.96
Cloth (black) 0.98
Human skin 0.98
Lather 0.75 to 0.80
Charcoal (powder) 0.96
Lacquer 0.80 to 0. 95
Lacquer (matt) 0.97
Rubber (black) 0.94
Plastic 0.85 to 0. 95
Timber 0.90
Paper 0.70 to 0. 94
Chromium oxides 0.81
Copper oxides 0.78
Iron oxides 0.78 to 0.82
Textiles 0.90