About Us   |   Products   |   Services   |   Education/Reference   |   News & Events   |   Contact Us
Emissivity of Materials  
About Us
Products
Services
Education/Reference
News
Contact Us
Customer Portal
EOI will be exhibiting
in Booth 917 at
SPIE DSS,
May 5-9, 2014
Baltimore Convention Center Baltimore, MD

The following average emissivity values have been taken from various sources and are presented for reference only. Please refer to the EOI primer on emissivity for considerations you should make when using "emissivity".

Anodized Aluminum Black Coatings & Materials
Conductive Paints Metals and Conversion Coatings
Misc (Brick, Glass, Water, etc.) Tapes & Films
Vapor Deposited Coatings White Coatings & Materials

Black Coatings & Materials Emissivity
Anodize Black 0.88
Carbon
   Filament 0.53
   Rough Plate 0.77
   Lampblack 0.84
Carbon Black Paint NS-7 0.88
Catalac Black Paint 0.88
Chemglaze Black Paint Z3O6 0.91
Delrin Black Plastic 0.87
Ebanol C Black 0.73
Ebanol C Black-384 ESH* UV 0.75
EOI Mid-Temperature Black Coating (Up to 200 C) 0.965 0.005
EOIHigh-Temperature Black Coating (Up to 1400 C) 0.93 0.02
GSFC Black Silicate MS-94 0.89
GSFC Black Paint 3l3-1 0.86
Hughson Black Paint H322 0.86
Hughson Black Paint L-300 0.84
Martin Black Paint N-15O-1 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 0.90
Velesat Black Plastic 0.85
White Coatings & Materials Emissivity
Barium Sulphate with Polyvinyl Alcohol 0.88
Biphenyl-White Solid 0.86
Catalac White Paint 0.90
Dupont Lucite Acrylic Lacquer 0.90
Dow Corning White Paint DC-007 0.88
GSFC White Paint NS43-C 0.92
GSFC White Paint NS44-B 0.91
GSFC White Paint NS-74 0.92
GSFC White Paint NS-37 0.91
Hughson White Paint A-276 0.88
Hughson White Paint A-276+lO36 ESH UV 0.88
Hughson White Paint V-200 0.89
Hughson White Paint Z-202 0.87
Hughson White Paint Z-202+1OOO ESH UV 0.87
Hughson White Paint Z-255 0.89
Mautz White House Paint 0.90
3M-401 White Paint 0.91
Magnesium Oxide White Paint 0.90
Magnesium Oxide Aluminium Oxide Paint 0.92
Opal Glass 0.87
OSO-H White Paint 63W 0.83
P764-lA White Paint 0.92
Potasiuml Fluorotitanate White Paint 0.88
Sherwin Williams White Paint (A8W11) 0.87
Sherwin Williams White Paint (F8WJ2O3O) 0.82
Sherwin Williams F8W2030 w Polasol V6V241 0.87
Sperex White Paint 0.85
Tedlar White Plastic 0.87
Titanium Oxide White Paint with Methyl Silicone 0.90
Titanium Oxide White Paint with Potasium Silicate 0.92
Zerlauts S-13G White Paint 0.90
Zerlauts Z-93 White Paint 0.92
Zinc Orthotitanate with Potassium Silicate 0.92
Zinc Oxide with Sodium Silicate 0.92
Zirconium Oxide with 650 Glass Resin 0.88
Conductive Paints Emissivity
Brilliant Aluminum Paint 0.31
Epoxy Aluminum Paint 0.81
Finch Aluminum Paint 643-1-1 0.23
Leafing Aluminum in Epon 828 0.36
Leafing Aluminum (80-U) 0.32
NRL Leafing Aluminum Paint 0.24
NRL Leafing Aluminum Paint 0.29
Silicone Aluminum Paint 0.30
Dupont Silver Paint 48l7 0.49
Chromeric Silver Paint 586 0.30
GSFC Yellow NS-43-G 0.90
GSFC Green NS-53-B 0.87
GSFC Green NS-43-E 0.89
GSFC White NS-43-C 0.92
GSFC Green NS-55-F 0.91
GSFC Green NS-79 0.91
Anodized Aluminum 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
Metals and Conversion Coatings Emissivity
Aluminum

Highly Polished

0.039-0.057

Commercial Sheet

0.09

Heavily Oxidized

0.20-0.31

Surface Roofing

0.216
Alzac A-2 0.73
Black Chrome 0.62
Black Copper 0.63
Black Irridite 0.17
Black Nickel 0.66
Brass

Highly Polished

0.028-0.037

Dull Plate

0.22
Buffed Aluminum 0.03
Buffed Copper 0.03
Constantan-Metal Strip 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

0.14-0.38

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
Gold - Pure, Highly Polished 0.018-0.035
Irridite Aluminum 0.11
Inconel X Foil (1 mil) 0.10
Iron and Steel (Not Stainless)
Kannigen-Nickel Alloy 0.08

Steel, Polished

0.066
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
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-Polished

0.10
Silver - Pure, Polished 0.020-0.032
Tantalum Foil 0.05
Tungsten Polished 0.03
Vapor Deposited Coatings Emissivity
Aluminum 0.02
Aluminum on Fiberglass 0.07
Aluminum on Stainless Steel 0.02
Chromium 0.17
Chromiumlon 5-mil Kapton 0.24
Germanium 0.09
Gold 0.02
Iron Oxide 0.56
Molybdenum 0.21
Nickel 0.04
Rhodium 0.03
Sliver 0.02
Titanium 0.12
Tungsten 0.27
Misc Emissivity
Asbesto, Board 0.96
Aluminum Oxide (Al2o3)-(12/4) on Buffed Alum Initial 0.23
Aluminum Oxide(Al2O3)(12/4) on Fused Silica 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 - SiO-Cr-Al 0.04
GSFC Composite SiOx - Al2O3-Ag 0.68
Inconel with Teflon Overcoating -1 mil 0.46
Kapton Overcoating 0.57
Parylene C Overcoating 0.34
Roofing Paper 0.91
Silver Beryllium Copper Coating (AgBeCu) 0.03
Teflon Overcoating 0.38
Vespel Polyimide SP1 0.90
Water 0.95
Tapes & Film 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 (Chromium-Silicon Oxide-Aluminum Backing (Green)) 1.0 mil 0.78
235-3M Black 0.90
425-3M Aluminum Foil 0.03
850-3M Mylar-Aluminum Backing 0.59
7361-Mystic Alumimized Kapton 0.03
7452- Mystic Aluminum Foil 0.03
7800-Mystic Aluminum Foil 0.03
Y9360-3M Aluminized Mylar 0.03
           Electro Optical Industries 859 Ward Drive Santa Barbara, CA 93111 805.964.6701 Fax 805.967.8590
Equal Opportunity Employer M/F/D/V
      Privacy Policy/Legal      Channel Technologies Group      Careers