THERMAL FINISHES
| PCAnalyze | TAK 2000 | Thermal Connection |
MATERIAL Emissivity
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Aluminum
Highly polished 0.039-0.057
Commercial sheet 0.09
Heavily oxidized 0.20-0.31
surface roofing 0.216
Brass
Highly polished 0.028-0.037
Dull plate 0.22
Copper
Polished 0.023
Thick oxide layer 0.78
Gold
Pure, highly polished 0.018-0.035
Iron and Steel (not stainless)
Steel, polished 0.066
Iron, polished 0.14-0.38
Cast Iron 0.60-0.70
Mild steel 0.20-0.32
Iron plate, rusted red 0.61
sheet sheet, rough oxide layer 0.81
Lead
unoxidized 0.057-0.075
gray oxidize 0.28
Molybdenum
filament 0.096-0.202
Massive, polished 0.071
Nickel
polished 0.072
nickel oxide 0.59-0.86
Silver
pure, polished 0.0.020-0.032
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Asbesto, board 0.96
Brick
red, rough, no gross irregularities 0.93
fireclay 0.75
Carbon
filament 0.53
Rough plate 0.77
Lampblack 0.84
Concrete tiles 0.63
Glass
smooth 0.94
pyrex, lead, and soda 0.95
Porcelain, glazed 0.92
Quartz, rough, fused 0.93
Roofing Paper 0.91
Water 0.95