Emissivity Va
Substance Substance
ivity
lues
Thermal
emissivity
Thermal
emiss
Asphalt 0.90 to 0.98 Cloth (black) 0.98
Concrete 0.94 Human skin 0.98
Cement o 0.80 0.96 Lather 0.75 t
Sand 0.90 0.96 Charcoal
(powder)
Earth 0.92 to 0.96 Lacquer o 0.95 0.80 t
Water 0.92 to 0.96 r 0.97 Lacque
(matt)
Ice 0.96 to 0.98 0.94 Rubber
(black)
Snow 0.83 Plastic 0.85 to 0.95
Glass 0.90 to 0.95 Timber 0.90
Ceramic o 0.94 0.94 0.90 t Paper 0.70 to
Marble 0.94 m 0.81 Chromiu
oxides
Plaster 0.80 to 0.90 0.78 Copper
oxides
Mortar 0.89 to 0.91 Iron oxides o 0.82 0.78 t
Brick 0.93 to 0.96 Textiles 0.90
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