General Tools and Instruments IRT659K - Manual (Page 15)

15
Material Emissivity
Rolled sheet steel 0.66
Oxidized iron 0.74
Wrought iron 0.94
Molten iron 0.29
Copper (polished) 0.02
Copper (scraped, shiny, not mirrored) 0.07
Cooper (plate, heavily oxidized) 0.78
Enamel (white, fused on iron) 0.90
Formica 0.94
Brick (red, rough) 0.93
Brick (silica, unglazed rough) 0.80
Concrete 0.94
Glass (smooth) 0.94
Granite (polished) 0.85
Marble (light gray, polished) 0.93
Asbestos board 0.96
Asbestos paper 0.94
Asphalt (paving) 0.97