GMC-I Messtechnik GmbH
17
Galvanized iron (bright)
—
0.13
Iron plate
20 / 68
0.69
Rolled sheet steel
21 / 71
0.66
Oxidized iron
100 / 212
0.74
Wrought iron
21 / 70
0.94
Molten iron
1299 to 1399 / 3270 to 2550 0.29
Copper (polished)
21 to 117 / 70 to 242
0.02
Copper (scraped shiny, not mirrored)
22 / 72
0.07
Copper (heavily oxidized surface)
25 / 77
0.78
Enamel (white, fused onto iron)
19 / 66
0.9
Formica
®
27 / 81
0.94
Frozen soil
—
0.93
Brick (red, rough)
21 / 70
0.93
Brick (silica, unglazed, rough )
1000 / 1832
0.8
Carbon (T-carbon, 0.9% ash)
127 / 260
0.81
Concrete
—
0.94
Glass (smooth surface)
22 / 72
0.94
Granite (polished)
21 / 70
0.85
Ice
0 / 32
0.97
Marble (light gray, polished)
22 / 72
0.93
Asbestos board
23 / 74
0.96
Asbestos paper
38 / 100
0.93
371 / 700
0.95
Asphalt (paving)
4 / 39
0.97
Material
Temperature in °C / °F
Emissivity
