Nano Black coating | thick coating 0.3-1µm | Acktar Optical black coating

Nano Black Coating

Nano Black coated components
3 rows of components coated with Nano Black coating
3 components coated with Nano Black coating

Nano Black is a selective coating with differing characteristics for different wavelength regions

  • High absorptance / Low reflectance in the UV and VIS spectral regions
  • Low infrared emissivity
High Adhesion
Space Qualified
Low Reflection
Low Thickness
Thickness 0.3-1µm
Temperature stability
Light Weight
REACH ROHS Compliant
Low Outgassing
Completely Inorganic
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Specifications

Operational wavelengths
VIS-FIR
Coating thickness
0.3-1µm
Emissivity (3-10µm)
<12
Emissivity (3-30µm)
<10
Working temperature (°C)
-70 to 250 (°C)
Working temperature (°K)
203 to 523 (°K)
Weight of coating (mg/cm²)
0.1 - 0.25 (mg/cm²)
Abrasion resistance (ref MIL-C-48497A)
moderate

Typical Properties

nano black coating reflectance chart

In satellites Nano Black is applied for solar thermal collectors and solar panels as well as for passive thermal management.

In addition to its unique optical performance Nano Black delivers many other attributes important in space applications:

  • Essentially zero outgassing
  • Vacuum and thermal-vacuum cycling compatible
  • Operating temperatures from (-)70°C to (+)250°C
  • No particulation
  • The coating thickness is only a few microns thick
  • Compatible with virtually all substrate materials
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
3D
LIDT
NA
Humidity Resistance
MIL-C- 48497A
Certificates
ROHS, REACH, ISO 9001:2015, AS9100

Additional Details

Participates at space programs:

  • Canadian CAN X-2 and CAN X-7 nano—satellites
  • Chandrayaan ||- IR Hyperspectral spectrometer for the moon probe
  • The Robert Stobie Spectrograph (RSS/NIR) for the Southern African Large Telescope (SALT).

Large Order? We Can Help.

For a personal consultation with one of our experts please leave your details below and we will get back to you as soon as possible. Together we will determine your exact needs in terms of coating type, quantities, sizing and special product characteristics etc. Once all is clear we will be more than happy to submit a customized offer with excellent competitive prices.

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