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Examples of emission factors of flat surfaces

 

Examples of emission factors of flat surfaces


Technical data > Technical data of solids, liquids and gases > Examples of emission factors of flat surfaces

 

Materials

a

Black body

1

Polished stainless steel

0.27

Polished aluminium

0.05

Unpolished brass

0.21

Tempered steel, slightly oxidized

0.70

Copper with slightly polished surface

0.16

Oxidized copper

0.36

Highly oxidized steel

0.82

Highly oxidized cast iron

0.92

Snow white enamel lacquer

0.92

Glossy black lacquer

0.89

Steel plate with thick glossy oxide layer

0.83