Substance

Thermal

 

Substance

Thermal

 

emissivity

 

 

emissivity

Asphalt

0.90 to 0.98

 

Cloth (black)

0.98

Concrete

0.94

 

Human skin

0.98

Cement

0.96

 

Lather

0.75 to 0.80

Sand

0.90

 

Charcoal (powder)

0.96

Earth

0.92 to 0.96

 

Lacquer

0.80 to 0.95

Water

0.92 to 0.96

 

Lacquer (matt)

0.97

Ice

0.96 to 0.98

 

Rubber (black)

0.94

Snow

0.83

 

Plastic

0.85 to 0.95

Glass

0.90 to 0.95

 

Timber

0.90

Ceramic

0.90 to 0.94

 

Paper

0.70 to 0.94

Marble

0.94

 

chromium oxides

0.81

Plaster

0.80 to 0.90

 

Copper oxides

0.78

Mortar

0.89 to 0.91

 

lron oxides

0.78 to 0.82

Brick (red)

0.93 to 0.96

 

Textiles

0.90

11

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Image 13
Omega OS642C-LS manual Charcoal powder