Materials Emissivity Table

Material Emissivity
Asbestos 0.95
Asphalt 0.95
Basalt 0.7
Brick  
Red, Rough 0.93
Gault Cream 0.26 to 0.30
Fire Clay 0.75
Lime Clay 0.43
Fire Brick 0.75 to 0.80
Magnesite, Refractory 0.38
Gray Brick 0.75
Silica, Glazed 0.88
Silica, Unglazed 0.80
Sandlime 0.59 to 0.63
Carborundum 0.92
Carbon  
Unoxidized 0.8 to 0.9
Graphite 0.7 to 0.8
Material Emissivity
Ceramic 0.95
Clay 0.95
Concrete 0.95
Cloth 0.95
Glass 0.85
Gravel 0.95
Gypsum 0.8 to 0.95
Ice 0.98
Limestone 0.98
Paint (non-Al.) 0.9 to 0.95
Paper (any color) 0.95
Plastic 0.95
Rubber 0.95
Sand 0.9
Snow 0.9
Soil 0.9 to 0.98
Water 0.93
Wood 0.9 to 0.95

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