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EN
18 19
3.3 The Emissivity Value of Common Materials
Substance Substance
Thermal
radiation
Thermal
radiation
Concrete
Cement
Sand
Earth
Water
Ice
0.94
Human skin 0.98
Foam 0.75-0.80
Charcoal dust 0.96
Paint 0.80-0.95
Matte paint 0.97
Black rubber 0.94
Plastic 0.85-0.95
Timber 0.90
0.96
0.90
0.92-0.96
0.92-0.96
0.96-0.98
0.83
0.90-0.95
Bitumen
Black cloth 0.98
0.90-0.98
Snow
Glass
Ceramics
Paper 0.70-0.94
0.90-0.94
Substance Substance
Thermal
radiation
Thermal
radiation
Mortar
Brick
0.89-0.91
Ferric oxide 0.78-0.82
Textile 0.90
0.93-0.96
Gypsum
Copper oxide 0.78
0.80-0.90
Marble
Chromium
hemitrioxide
0.81
0.94
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