Summary

Acktar™ offers Spectral Black™, a semi-specular, wideband, absorbing aluminium foil for contaminated environments where the surface needs to be periodically renewed. Spectral Black delivers wideband, low reflectance for FUV, UV, VIS, SWIR, MWIR and LWIR. Spectral Black can be applied in a wide range of demanding stray light suppression and other applications, and is available in coated foil form for application where direct coating of parts is not practical. The foil is available with a self-adhesive backing for application to any desired surface. For severe humidity conditions Spectral Black HP™ coating is recommended.

The key characteristics of the Spectral Black coating include:

  • High Adhesion
  • Temperature stability
  • Space Qualified
  • Light Weight
  • Low Reflection
  • REACH ROHS Compliant
  • Low Outgassing: CVCM < 0.001
  • Thickness 3-8µm
  • Completely Inorganic

Acktar produces a range of high-emissivity, ultra-black coatings for the suppression of stray light throughout the optical spectrum (UV-VIS-IR). Coated foils and thin films enable customers to apply the coating to surfaces without the need to ship the parts to Acktar.

General features of Acktar's black thin films and foils include:

  • Clean room compatible (ISO 5)
  • Cleanable
  • Suitable for flat, concave or convex surfaces
  • Applicable to metals, glass, ceramics, plastics
  • Zero fluorescence

Typical application of Acktar's black thin films and foils include:

  • Optical system housings
  • Apertures and baffles
  • Beam dumps
  • Laser safety screens
  • Mobile phone camera parts
  • Automotive cameras and HUDs
  • Calibration standards
  • Analytical lab arrays

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Last updated: 2021-07-14

Spectral Black™ Semi-Specular Wideband Absorbing Aluminium Foil

110 USD - 4,412 USD

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Specs

working temperature (without adhesive)
long term: -250°C to +350°C
short term: up to +400°C
storage temperature (indoors)
approximately 21°C

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