Wöhler IR Hygrotemp 24

8. Emisivity-tables

8. Tables: Emisivity

Wöhler IR Hygrotemp 24

Material aluminium non oxidized oxidized alloy A3003 oxidized roughened polished lead polished rough oxidized chrome iron oxidized non oxidized rusty iron, cast oxidized non oxidized melted iron, forge dull gold

Emisivity

(8 - 14 µm)

0,02-0,10

0,20-0,40

0,30

0,10-0,30

0,02-0,10

0,05-0,10

0,40

0,20-0,60

0,02-0,20

0,50-0,90

0,05-0,20

0,50-0,70

0,60-0,95

0,05-0,20

0,20-0,30

0,90

0,01-0,10

Material

Molybdenum oxidized non oxidized nickel oxidized electrolytic platinum, black monel (Ni-Cu) steel cold rolled grounding sheet polished sheet metal oxidized stainless titanium polished oxidized

Haynes alloyage

Emisivity

(8 - 14 µm)

0,20-0,60

0,10

0,20-0,50

0,05-0,15

0,90

0,10-0,14

0,70-0,90

0,40-0,60

0,10

0,70-0,90

0,10-0,80

0,05-0,20

0,50-0,60

0,30-0,80

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8. Emisivity-tables

8.2 Nonmetals

Wöhler IR Hygrotemp 24

Material asbestos basalt ice

Emisivity

(8 - 14 µm)

0,95

0,70

0,98 earth dry wet gypsum rubber limestone ceramics

0,92

0,95

0,80-0,95

0,95

0,98

0,95 carbon non oxidized graphite

080-0,90 dim black

0,70-0,80

0,97 plastic, not transparent 0,95 snow 0,90 clay 0,95 brick 0,93

Material asphalt beton ice bath colour non alcaline glass panel wood, natural carborundum pebbles varnish white paper, all colours sand stuff water

Emisivity

(8 - 14 µm)

0,95

0,95

0,95

0,90-0,95

0,85

0,90-0,95

0,90

0,95

0,92

0,95

0,90

0,95

0,93 e-Mail: [email protected] http://mgkg.woehler.com

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