Ultra Black Coating for MWIR and LWIR with extremely low reflectance - Acktar black coatings

Ultra Black

3 components coated with ultra black coating
metallic tube coated with ultra black coating from the inside
3 label strips of ultra black coating
3 gold components coated with ultra black coating
installation process of a component being coated with ultra black coating

Black Coating for MWIR and LWIR (medium and low infra red wavelength) with extremely low reflectance.

High Adhesion
Space Qualified
Low Reflection
Low Thickness
Temperature stability
Light Weight
REACH ROHS Compliant
Low Outgassing
Completely Inorganic

Specifications

Adhesion
metals, glass, ceramics, polymers
Adhesion test (ref ECSS-Q-ST-13C)
Coated pieces withstand scotch tape test (3M853 Crystal Clear tape, strength of 13N per 25mm), without any evidence of coating removal.
Outgassing CVCM (%)
0.001
Outgassing RML (%)
0.2
Coating chemical content
completely inorganic
Surface resistivity
≤2X10^6Ω/□
Material
metal
Cleanability
Coated pieces withstand cleaning with ethanol, IPA or acetone with no change in optical and technical characteristics. Magic Black™, Metal Velvet™ and Litho Black™ should be cleaned very gently.
Parts shape
planar
LIDT
NA
Humidity Resistance
MIL-C- 48497A
Certificates
ROHS, REACH, ISO 9001:2015, AS9100

Typical Properties

Ultra black coating reflectance chart

 

Operational wavelengths
MWIR-LWIR
Coating thickness
13-25µm
Emissivity 3-10µm
>98
Emissivity 3-30µm
>93
Working temperature (°C)
-269 to 380 (°C)
Working temperature (°K)
4 to 653 (°K)
Weight of coating (mg/cm²)
3.3 - 6.5 (mg/cm²)
moderate Abrasion resistance
(ref MIL-C-48497A)Magic Black™, Metal Velvet™ and Litho Black™ should be cleaned very gently.
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