THERMAL FINISHES 1.
Acknowledgement: Much of the raw data was originally accumulated by NASA-GSFC- Black Coatings
- White Coatings
- Conductive Paints
- Anodized Aluminum Samples
- Metals and Conversion Coatings
- Vapor Deposited Coatings
- Spacecraft Solar Arrays
- Misc.
- Tapes
a= solar absobtivity
e= normal emmitance
ESH=equivalent Sun Hours
Coating thickness is usually critical
NAME SOLAR NORMAL Ratio
BLACK COATINGS a e a/e
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Anodize Black 0.88 0.88 1.00
Carbon Black Paint NS-7 0.96 0.88 1.09
Catalac Black Paint 0.96 0.88 1.09
Chemglaze Black Paint Z3O6 0.96 0.91 1.05
Delrin Black Plastic 0.96 0.87 1.10
Ebanol C Black 0.97 0.73 1.33
Ebanol C Black-384 ESH* UV 0.97 0.75 1.29
GSFC Black Silicate MS-94 0.96 0.89 1.08
GSFC Black Paint 3l3-1 0.96 0.86 1.12
Hughson Black Paint H322 0.96 0.86 1.12
Hughson Black Paint L-300 0.95 0.84 1.13
Martin Black Paint N-15O-1 0.94 0.94 1.00
Martin Black Velvet Paint 0.91 0.94 0.97
3M Black Velvet Paint 0.97 0.91 1.07
Paladin Black Lacquer 0.95 0.75 1.27
Parsons Black Paint 0.98 0.91 1.08
Polyethylene Black Plastic 0.93 0.92 1.01
Pyramil Black on Beryllium Copper 0.92 0.72 1.28
Tedlar Black Plastic 0.94 0.90 1.04
Velesat Black Plastic 0.96 0.85 1.13
WHITE COATINGS **Return to Top** a e a/e
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Barium Sulphate with Polyvinyl Alcohol 0.06 0.88 0.07
Biphenyl-White Solid 0.23 0.86 0.27
Catalac White Paint 0.24 0.90 0.27
Dupont Lucite Acrylic Lacquer 0.35 0.90 0.39
Dow Corning White Paint DC-007 0.19 0.88 0.22
GSFC White Paint NS43-C 0.20 0.92 0.22
GSFC White Paint NS44-B 0.34 0.91 0.37
GSFC White Paint NS-74 0.17 0.92 0.18
GSFC White Paint NS-37 0.36 0.91 0.40
Hughson White Paint A-276 0.26 0.88 0.30
Hughson White Paint A-276+lO36 ESH UV 0.44 0.88 0.50
Hughson White Paint V-200 0.26 0.89 0.29
Hughson White Paint Z-202 0.25 0.87 0.29
Hughson White Paint Z-202+1OOO ESH UV 0.40 0.87 0.46
Hughson White Paint Z-255 0.25 0.89 0.28
Mautz White House Paint 0.30 0.90 0.33
3M-401 White Paint 0.25 0.91 0.27
Magnesium Oxide White Paint 0.09 0.90 0.10
Magnesium Oxide Aluminium Oxide Paint 0.09 0.92 0.10
Opal Glass 0.28 0.87 0.32
OSO-H White Paint 63W 0.27 0.83 0.33
P764-lA White Paint 0.23 0.92 0.25
Potasiuml Fluorotitanate White Paint 0.15 0.88 0.17
Sherwin Williams White Paint (A8W11) 0.28 0.87 0.32
Sherwin Williams White Paint (F8WJ2O3O) 0.39 0.82 0.48
Sherwin Williams F8W2030 w Polasol V6V241 0.36 0.87 0.41
Sperex White Paint 0.34 0.85 0.40
Tedlar White Plastic 0.39 0.87 0.45
Titanium Oxide White Paint with
Methyl Silicone 0.20 0.90 0.22
Titanium Oxide White Paint with Potasium
Silicate 0.17 0.92 0.18
Zerlauts S-13G White Paint 0.20 0.90 0.22
Zerlauts Z-93 White Paint 0.17 0.92 0.18
Zinc Orthotitanate with Potassium Silicate 0.13 0.92 0.14
Zinc Oxide with Sodium Silicate 0.15 0.92 0.16
Zirconium Oxide with 650 Glass Resin 0.23 0.88 0.26
CONDUCTIVE PAINT **Return to Top** a e a/e
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Brilliant Aluminum Paint 0.30 0.31 0.97
Epoxy Aluminum Paint 0.77 0.81 0.95
Finch Aluminum Paint 643-1-1 0.22 0.23 0.96
Leafing Aluminum in Epon 828 0.37 0.36 1.03
Leafing Aluminum (80-U) 0.29 0.32 0.91
NRL Leafing Aluminum Paint 0.24 0.24 1.00
NRL Leafing Aluminum Paint 0.28 0.29 0.97
Silicone Aluminum Paint 0.29 0.30 0.97
Dupont Silver Paint 48l7 0.43 0.49 0.88
Chromeric Silver Paint 586 0.30 0.30 1.00
GSFC Yellow NS-43-G 0.38 0.90 0.42
GSFC Green NS-53-B 0.52 0.87 0.60
GSFC Green NS-43-E 0.57 0.89 0.64
GSFC White NS-43-C 0.20 0.92 0.22
GSFC Green NS-55-F 0.57 0.91 0.63
GSFC Green NS-79 0.57 0.91 0.63
ANODIZED ALUMINUM SAMPLES **Return to Top** a e a/e
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Black 0.65 0.82 0.79
Black 0.86 0.86 1.00
Blue 0.67 0.87 0.77
Blue 0.53 0.82 0.65
Brown 0.73 0.86 0.85
Chromic 0.44 0.56 0.79
Clear 0.27 0.76 0.36
Clear 0.35 0.84 0.42
Green 0.66 0.88 0.75
Gold 0.48 0.82 0.59
Plain 0.26 0.04 6.50
Red 0.57 0.88 0.65
Sulphuric 0.42 0.87 0.48
Yellow 0.47 0.87 0.54
Blue Anodized Titaniuml Foil 0.70 0.13 5.38
METALS AND **Return to Top** a e a/e
CONVERSION COATINGS
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Alzac A-2 0.16 0.73 0.22
Alzac A-5 0.18 -
Black Chrome 0.96 0.62 1.55
Black Copper 0.98 0.63 1.56
Black Irridite 0.62 0.17 3.65
Black Nickel 0.91 0.66 1.38
Buffed Aluminum 0.16 0.03 5.33
Buffed Copper 0.30 0.03 10.00
Constantan-Metal Strip 0.37 0.09 4.11
Copper Foil Tape
Plain 0.32 0.02 16.00
Sanded 0.26 0.04 6.50
Tarnished 0.55 0.04 13.75
Dow 7 on Polished Magnesium 0.49 -
Dow 7 on Sanded Magnesium 0.65 -
Dow 9 on Magnesium 0.87 -
Dow 23 on Magnesium 0.62 0.67 0.93
Ebanol C Black 0.97 0.77 1.26
Electroplated Gold 0.23 0.03 7.67
Electroless Nickel 0.39 0.07 5.57
Irridite Aluminum - 0.11
Inconel X Foil (1 mil) 0.52 0.10 5.20
Kannigen-Nickel Alloy 0.45 0.08 5.63
Plain Beryllium Copper 0.31 0.03 10.33
Platinum Foil 0.33 0.04 8.25
Stainless Steel
Polished 0.42 0.11 3.82
Machined 0.47 0.14 3.36
Sandblasted 0.58 0.38 1.53
Machine Rolled 0.39 0.11 3.55
Boom-Polished 0.44 0.10 4.40
1-mil 304 Foil 0.40 0.05 8.00
Tantalum Foil 0.40 0.05 8.00
Tungsten Polished 0.44 0.03 14.67
VAPOR DEPOSITED COATINGS **Return to Top** a e a/e
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Aluminum 0.08 0.02 4.00
Aluminum on Fiberglass 0.15 0.07 2.14
Aluminum on Stainless Steel 0.08 0.02 4.00
Chromium 0.56 0.17 3.29
Chromiumlon 5-mil Kapton 0.57 0.24 2.38
Germanium 0.52 0.09 5.78
Gold 0.19 0.02 9.50
Iron Oxide 0.85 0.56 1.52
Molybdenum 0.56 0.21 2.67
Nickel 0.38 0.04 9.50
Rhodium 0.18 0.03 6.00
Sliver 0.04 0.02 2.00
Titanium 0.52 0.12 4.33
Tungsten 0.60 0.27 2.22
Spacecraft Solar Arrays **Return to Top** a e a/e
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AE 0.78 0.82 0.95
AMSAT 0.82 0.85 0.96
ATN Black 0.77 0.80 0.96
ATN Blue 0.86 0.85 1.01
ATSF 0.85 0.85 1.00
COMSAT 0.82 0.85 0.96
DE 0.77 0.81 0.95
ETS/GOES 0.82 0.80 1.02
GOES 0.91 0.81 1.12
GPS-Conductive Coating 0.81 0.80 1.01
HELIOS 0.80 0.82 0.98
IME-Conductive Coating 0.75 0.79 0.95
IMP-H 0.78 0.82 0.95
IMP-I 0.78 0.81 0.96
ISEE-Conductive Coating 0.91 0.79 1.15
IUE 0.86 0.84 1.02
OAO 0.85 0.81 1.05
PAC 0.77 0.81 0.95
SMS-B 0.81 0.80 1.01
Spanish INTASAT 0.86 0.86 1.00
SSS 0.79 0.82 0.96
MISC **Return to Top** a e a/e
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Aluminum Oxide (Al2o3)-(12/4) on Buffed Alum
Initial 0.13 0.23 0.57
2560 ESH UV + P+ 0.13 0.23 0.57
Aluminum Oxide(Al2O3)(12/4) on Fused Silica 0.12 0.24 0.50
Silver Beryllium Copper (AgBeCu) 0.19 0.03 6.33
Kapton Overcoating 0.31 0.57 0.54
Parylene C Overcoating 0.22 0.34 0.65
Teflon Overcoating 0.12 0.38 0.32
GSFC DArk Mirror Coating-SiO-Cr-Al 0.86 0.04 21.50
GSFC Composite SiOx-Al2O3-Ag 0.07 0.68 0.10
Helios Second Surface Mirror/Silver Backing
Initial 0.07 0.79 0.09
24 Hours at 5 Suns 0.07 0.80 0.09
48 Hours at 11 Suns + P+ 0.08 0.79 0.10
Inconel with Teflon Overcoating-1mil 0.55 0.46 1.20
Vespel Polyimide SP1 0.89 0.90 0.99
Aclar Film (Aluminum Backing)
1 mil 0.12 0.45 0.27
2 mil 0.11 0.62 0.18
5 mil 0.11 0.73 0.15
Kapton Film (Aluminum Backing)
0.08 mil 0.23 0.24 0.96
0.15 mil 0.25 0.34 0.74
0.25 mil 0.31 0.45 0.69
0.50 mil 0.34 0.55 0.62
1.0 mil 0.38 0.67 0.57
1.5 mil 0.40 0.71 0.56
2.0 mil 0.41 0.75 0.55
3.0 mil 0.45 0.82 0.55
5.0 mil 0.46 0.86 0.53
Kapton Film (Chromium-Silicon Oxide-Aluminum Backing (Green))
1.0 mil 0.79 0.78 1.01
Kapton Film (Aluminum-Aluminum Oxide Overcoating)-1 mil
Initial 0.12 0.20 0.60
1800 ESH UV 0.12 0.20 0.60
Kapton Film (Aluminum-Silicon Oxide
Overcoating)-1 mil
Initial 0.11 0.33 0.33
2400 ESH UV 0.22 0.33 0.67
Kapton Film (Silver-Aluminum Oxide Overcoating)-1 mil
Initial 0.08 0.19 0.42
2400 ESH UV 0.08 0.21 0.38
Kapton Film (Aluminum-Silicon Oxide Overcoating)-0.5 mil
Initial 0.12 0.18 0.67
4000 ESH UV 0.28 0.24 1.17
Kimfoil-Polycarbonate Film (Aluminum Backing)
0.08 mil 0.19 0.23 0.83
0.20 mil 0.20 0.30 0.67
0.24 mil 0.17 0.28 0.61
Mylar Film
Aluminum Backing
0.l5 mil 0.14 0.28 0.50
0.25 mil 0.15 0.34 0.44
3.0 mil 0.17 0.76 0.22
5.0 mil 0.19 0.77 0.25
Skylab Sail
Initial 0.15 0.35 0.43
l900 ESH UV 0.19 0.36 0.53
Skylab Parasol Fabric (Orange)
Initial 0.51 0.86 0.59
2400 ESH UV 0.65 0.86 0.76
Teflon (Gold Backing)
0.5 mil 0.30 0.49 0.61
l.0 mil 0.26 0.58 0.45
Teflon Aluminum Backing
2 mil 0.08 0.66 0.12
5 mil 0.13 0.81 0.16
10 mil 0.13 0.87 0.15
Gold Backing
0.5 mil 0.24 0.43 0.56
1.0 mil 0.22 0.52 0.42
5.0 mil 0.22 0.81 0.27
10 mil 0.23 0.82 0.28
Silver Backing
2 mil 0.08 0.68 0.12
5 mil 0.08 0.81 0.10
l0 mil 0.09 0.88 0.10
Tefzel (Gold Backing)
0.05 mil 0.29 0.47 0.62
1.0 mil 0.26 0.61 0.43
Tapes **Return to Top** a e a/e
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235-3M Black 0.95 0.90 1.06
425-3M Aluminum Foil 0.20 0.03 6.67
850-3M Mylar-Aluminum Backing 0.15 0.59 0.25
7361-Mystic Alummized Kapton 0.09 0.03 3.00
7452- Mystic Aluminum Foil 0.14 0.03 4.67
7800-Mystic Aluminum Foil 0.21 0.03 7.00
Y9360-3M Aluminzed Mylar 0.19 0.03 6.33
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