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KNOWLEDGE CENTER
Material
Emissivity
Anodize Black
0.88
Carbon
Filament
0.53
Rough Plate
0.77
Lampblack
0.84
Carbon Black Paint NS-
0.88
Catalac Black Paint
0.88
Chemglaze Black Paint Z306
0.91
Delrin Black Plastic
0.87
Ebanol C Black
0.73
Ebanol C Black-
0.75
EOI Mid-
0.965
EOI High-
0.93
GSFC Black Slicate MS-
0.89
GSFC Black Paint 313-
0.86
Hughson Black Paint H322
0.86
Hughson Black Paint L-
0.84
Martin Black Paint N-
0.94
Martin Black Velvet Paint
0.94
3M Black Velvet Paint
0.91
Paladin Black Lacquer
0.75
Parsons Black Paint
0.91
Polyethylene Black Plastic
0.92
Pyramil Black on Beryllium Copper
0.72
Tedlar Black Plastic
0.9
Velesat Black Plastic
0.85
Material
Emissivity
Barium Sulphate with Polyvinyl Alcohol
0.88
Biphenyl-
0.86
Catalac White Paint
0.9
Dupont Lucite Acrylic Lacquer
0.9
Dow Corning White Paint DC-
0.88
GSFC White Paint NS43-
0.92
GSFC White Paint NS44-
0.91
GSFC White Paint NS-
0.92
GSFC White Paint NS-
0.91
Hughson White Paint A-
0.88
Hughson White Paint A-
0.88
Hughson White Paint V-
0.89
Hughson White Paint Z-
0.87
Hughson White Paint Z-
0.87
Hughson White Paint Z-
0.89
Mautz White House Paint
0.9
3M-
0.91
Magnesium Oxide White Paint
0.9
Magnesium Oxide Aluminum Oxide Paint
0.92
Opal Glass
0.87
OSO-
0.83
P764-
0.92
Potassium Fluorotitanate White Paint
0.88
Sherwin Williams White Paint (A8W11)
0.87
Sherwin Williams White Paint (F8WJ2030)
0.82
Sherwin Williams F8W2030 with Polasol V6V241
0.87
Sperex White Paint
0.85
Tedlar White Plastic
0.87
Titanium Oxide White Paint with Methyl Silicone
0.9
Titanium Oxide White Paint with Potassium Silicate
0.92
Zerlauts S-
0.9
Zerlauts Z-
0.92
Zinc Orthotitanate with Potassium Silicate
0.92
Zinc Oxide with Sodium Silicate
0.92
Zirconium Oxide with 650 Glass Resin
0.88
Material
Emissivity
Brilliant Aluminum Paint
0.31
Epoxy Aluminum Paint
0.81
Finch Aluminum Paint 643-
0.23
Leafing Aluminum in Epon828
0.36
Leafing Aluminum (80-
0.32
NRL Leafing Aluminum Paint
0.24
Silicone Aluminum Paint
0.3
Dupont Silver
0.49
Chromeric Silver Paint 586
0.3
GSFC Yellow NS-
0.9
GSFC Green NS-
0.87
GSFC Green NS-
0.89
GSFC White NS-
0.92
GSFC Green NS-
0.91
GSFC Green NS-
0.91
Material
Emissivity
Black
0.82
Black (2nd sample)
0.86
Blue
0.87
Blue (2nd sample)
0.82
Brown
0.86
Chromic
0.56
Clear
0.76
Clear (2nd sample)
0.84
Green
0.88
Gold
0.82
Plain
0.04
Red
0.88
Sulphuric
0.87
Yellow
0.87
Blue Anodized Titanium Foil
0.13
Material
Emissivity
Aluminum
Highly Polished
0.039 -
Commercial Sheet
0.09
Heavily Oxidized
0.20 -
Surface Roofing
0.216
Alzac A-
0.73
Black Chrome
0.62
Black Copper
0.63
Black Iridite
0.17
Black nickel
0.66
Brass
Highly polished
0.028 -
Dull plate
0.22
Buffed Aluminum
0.03
Buffed Copper
0.03
Constantan-
0.09
Copper
Polished
0.023
Thick oxide layer
0.78
Dow 23 on Magnesium
0.67
Ebanol C Black
0.77
Electroplated Gold
0.03
Electroless Nickel
0.07
Iron, polished
0.14 -
Cast Iron
0.60 -
Mild Steel
0.20 -
Iron Plate, Rusted Red
0.61
Sheet, Rough Oxide Layer
0.81
Gold -
0.018 -
Iridite Aluminum
0.11
Inconel X Foil (1 mil)
0.1
Iron and Steel
(not stainless)
Kannigen-
0.08
Steel, polished
0.066
Lead
Unoxidized
0.057 -
Gray oxidize
0.28
Molybdenum
Filament
0.096 -
Massive, polished
0.071
Nickel
Polished
0.072
Nickel oxide
0.59 -
Plain Beryllium Copper
0.03
Platinum Foil
0.04
Quartz, rough, fused
0.93
Stainless Steel
Polished
0.11
Machined
0.14
Sandblasted
0.38
Machine Rolled
0.11
Boom-
0.1
Silver -
0.020 -
Tantalum Foil
0.05
Tungsten polished
0.03
Material
Emissivity
Aluminum
0.02
Aluminum on fiberglass
0.07
Aluminum on stainless steel
0.02
Chromium
0.17
Chromiumlon 5-
0.24
Germanium
0.09
Gold
0.02
Iron Oxide
0.56
Molybdenum
0.21
Nickel
0.04
Rhodium
0.03
Silver
0.02
Titanium
0.12
Tungsten
0.27
Material
Emissivity
Aclar Film
(Aluminum Backing)
1 mil
0.45
2 mil
0.62
5 mil
0.73
Copper Foil Tape
Plain
0.02
Sanded
0.04
Tarnished
0.04
Kapton Film (Aluminum Backing)
0.08 mil
0.24
0.15 mil
0.34
0.25 mil
0.45
0.50 mil
0.55
1.0 mil
0.67
1.5 mil
0.71
2.0 mil
0.75
3.0 mil
0.82
5.0 mil
0.86
Kapton Film (Chrome-
0.78
235-
0.9
425-
0.03
850-
0.59
7361-
0.03
7452-
0.03
7800-
0.03
Y9360-
0.03
Material
Emissivity
Asbestos, board
0.96
Aluminum Oxide (Al2O3)-
0.23
Aluminum Oxide (Al2O3)-
0.24
Brick
Red, rough, no gross irregularities
0.93
Fireclay
0.75
Concrete tiles
0.63
Glass
Smooth
0.94
Pyrex, lead, and soda
0.95
Porcelain, glazed
0.92
GSFC Dark Mirror Coating -
0.04
GSFC Composite SiOx -
0.68
Inconel with Teflon Over coating -
0.46
Kapton Over coating
0.57
Parylene C Over coating
0.34
Roofing paper
0.91
Silver Beryllium Copper Coating (AgBeCu)
0.03
Teflon Over coating
0.38
Vespel Polyimide SP1
0.9
Water
0.95