Stray Light Control Kit


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Acktar’s well-known Black Metal Velvet is now available as 2D preforms for attachment ‎to parts of any shape. The preforms are supplied “ready for use” and are simply ‎bonded in place on the parts - by the customer.‎ For customized sizes - contact us!
the preforms can be based on any of Acktar’s coated foil products ‎combined with a variety of adhesives, such as low outgassing, high temperature, etc. Standard sample kit layouts (dimensions in cm):
Stray Light Control Kit die cute labels
  • Metal Velvet
  • Aluminum Foil
  • Ultra - Diffusive-matte
  • Specular absorptance 99.9% & wide band performance
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  • Laser beam dump
  • Stray light suppression
  • Laser safety screen
  • Projectors & Displays
  • Inspection black contrast
  • Baffles & apertures
  • Thermal management
  • Spectrometers
  • Calibration standards
  • Black box

Optical Performance chart: Hemispherical and Specular reflectance

Die Cut formats for black coating labels

Aluminium foil substrate thickness
115 microns typical
Coating thickness
5 microns typical
*Adhesive thickness
60 microns typical (adhesive is optional and offered in Standard and Low outgassing)
Abrasion resistance
Humidity resistance
Storage conditions – adhesive limited
Indoor conditions, (approx. 21oC; RH approx. 50%)
Standard shelf life – adhesive limited
For best performance, apply adhesive and remove protective layer within 12 months of shipment from Acktar.
Compressed dry air / nitrogen
Delivery formats
Sheets, Rolls, Die-Cuts
ROHS, REACH, ISO 9001:2015, AS9100
Working Temperatures
Without adhesive
Long term -196℃ to +350℃, short term up to +400℃
With standard adhesive
Long term -40℃ to +121℃, short term up to +177℃
With low-outgassing adhesive
Long term -50℃ to +150℃, short term up to +260℃
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