6 Examplary Emissivity Coefficient Values
aluminum ................................................. 0.05
aluminum Rough ...................................... 0,07
Aluminum oxidized ................................... 0,25
asphalt ..................................................... 0,90
asbestos board ................................ ....... 0,96
asbestos (fiber) ........................................ 0,78
akelite ..................................................... 0,93
bronze: dull ……………………………….. 0,22
bronze: polished………………………….. 0,10
bronze: rough …………………………….. 0,55
brick: glass., rough……………………….. 0,85
brick: fireproof, rough…………………….. 0,94
cement…………………………………….. 0,54
cement (concrete)………………………… 0,90
chrome……………………………………...0,15
chrome polished………………………….. 0,10
tin……………………………………………0,09
zinc………………………………………….0,05
brick red………………………………….…0,93
paint: oil…………………………………….0,94
clay: fired……………………………..…….0,91
clay………………………………………….0,40
graphite……………………………………. 0,85
ground: frozen…………………………….. 0,93
rubber……………………………………….0,93
cobalt………………………………………. 0,18
quartz………………………………….…….0,93
lacquer white..…………………………….. 0,87
lacquer polished black…………………… 0,87
lacquer dull black…………………………. 0,97
lacquer silver……………………………… 0,31
ice………………………………………….. 0,97
magnesium………………………………...0,12
copper: oxidized………………………….. 0,65
copper: oxidized black…………………… 0,88
copper: polished………………….………. 0,07
copper: polished annealed………..0,01.. 0,02
brass………………………………………. 0,10
brass: oxidized……………………………. 0,61
nickel : polished………………………….. 0,05
lead: polished…………………………….. 0,08
lead: grey…………………………………. 0,28
lead: oxidized………………………………0,63
paper white……………………………….. 0,90
paper black glossy……………………….. 0,90
paper black dull…………………………… 0,94
paper: tarred………………………………. 0,92
plastic: black………………………………. 0,95
platinum……………………….…………… 0,10
porcelain: glazed…………...…………….. 0,92
mercury………………………………….… 0,10
lampblack……………………………...….. 0,96
silver……………………………………….. 0,03
steel: galvanized………………………….. 0,28
steel: oxidized…………………………….. 0,88
steel: rolled freshly……………………….. 0,24
steel: rolled………………...……………… 0,56
steel: rough……………..………………… 0,96
steel: rusty red……………………………. 0,69
steel nickeled……………………...……… 0,11
glaze……………………………………….. 0,90
glass……………………………………….. 0,92
glass dull…..……………………………… 0,96
snow……………………………………….. 0,80
tape insulation…………………………….. 0,95
fabric……………………………………….. 0,85
titanium………...………………………….. 0,30
carbon……………………………………… 0,90
charcoal powder………………………….. 0,96
tungsten…………………………………… 0,13
tungsten: oxidized………………………… 0,11
gold………………………………………… 0,02
iron: glossy…………...…………………… 0,16
iron: heat rolled…………………………… 0,77
iron: oxidized……………………………… 0,74
iron: polished……………………………… 0,23
iron and steel: oxidized…...……………… 0,85
cast: raw casting…………………………. 0,81
cast: polished………………..…………… 0,21