Quantcast Table 2-2. Characteristics of Absorber Coatings

Custom Search
 
  
 


MIL-HDBK-1003/13A
TABLE 2-2. Characteristics of Absorber Coatings (U.S. Dept. of HUD, 1977).
[Selective Coatings - [alpha]/[epsilon] > 2; Non-selective
Coatings - [alpha]/[epsilon] ~ 1]
[alpha] Breakdown
Property/
Absorptance,[a] Emittance, Temperature
Comments
Material
[alpha]
[epsilon] [epsilon]  deg. F
(deg. C)  
Black Chrome
 0.87-0.93
0.1
9
Alkyd Enamel
0.9
0.9
1
Durability
limited at
high
temperatures.
Black Acrylic    0.92-0.96
0.86-0.93
1
Paint
Black Inorganic  0.89-0.97
0.84-0.90
1
 Paint
Black Silicone  0.86-0.94
0.83-0.89
1
Silicone
 Paint
binder.
PbS/Silicone
0.94
0.4
2.5
662 (350) Has a high
Paint
emittance
for thickness
> 10[mu]m.
Flat Black
 0.95-0.98
0.89-0.97
1
Paint
Ceramic
0.9
0.5
1.8
Stable at high
 Enamel
temperatures.
Black Zinc
0.9
0.1
9
Copper Oxide
0.93
0.11
8.5
392 (200)
Over Aluminum
Black Copper
 0.85-0.90
0.08-0.12
7-11   842 (450) Patinates with
Over Copper
moisture.
Black Chrome
 0.92-0.94
0.07-0.12
8-13   842 (450) Stable at high
Over Nickel
temperature.  
Black Nickel
0.93
0.06
15
842 (450) May be
Over Nickel
influenced
by moisture
at elevated
temperatures.
Ni-Zn-S Over
0.96
0.07
14
536 (280)
Nickel
Black Iron
0.90
0.10
9
Sunsponge Foil  0.93-0.95
0.08-0.12
8-11   500 (260) Tradename
Aluminum Foil
of Berry Solar
Products





 


Privacy Statement - Copyright Information. - Contact Us

Integrated Publishing, Inc.