Ti40, Ti45, Ti50, Ti55

Users Manual

Table C-1. Emissivity Values of Common Materials (cont.)

Material

Temperature (°C)

Emissivity

 

 

 

Carbon, purified

0

0.80

 

 

 

Cast iron, rough casting

0

0.81

 

 

 

Cast iron, polished

0

0.21

 

 

 

Charcoal, powdered

0

0.96

 

 

 

Chromium, polished

0

0.10

 

 

 

Clay, fired

0

0.91

 

 

 

Concrete

0

0.54

 

 

 

Copper, polished,

0-17

0.01-0.02

annealed

 

 

 

 

 

Copper, commercial

0

0.07

burnished

 

 

 

 

 

Copper, oxidized

0

0.65

 

 

 

Copper, oxidized to

0

0.88

black

 

 

 

 

 

Electrical tape, black

0

0.95

plastic

 

 

 

 

 

Enamel

27

0.90

 

 

 

Formica

0

0.93

 

 

 

Frozen soil

0

0.93

 

 

 

Glass

0

0.92

 

 

 

Glass, frosted

0

0.96

 

 

 

Gold, polished

0

0.02

 

 

 

Ice

0

0.97

 

 

 

Iron, hot rolled

0

0.77

 

 

 

Iron, oxidized

0

0.74

 

 

 

C-2