Optical Black™

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Optical Black™ provides a solution to the optical industries challenge to absorb stray light and minimize outgassing seen by standard black anodize finishes. A reduction in outgassing minimizes potential interference to optical and electronic sensors.

Optical Black™ absorbs light across a broad spectrum, from the infrared to ultra violet, reducing stray light and increasing measurement accuracies. Standard dyed finishes break down in ultraviolet light and ‘outgas’ which interferes with optical properties reducing accuracy.

Standard Specifications
Proprietary Process that meets Mil-A-8625, Type II Class 2
RoHS, REACH, ELV & WEEE Compliant

Performance Benefits
Chemically More Stable for Lasers
Low Reflectivity
Absorbs Laser Beams w/ Wavelengths Outside the Visible Spectrum Not Effected by UV
Will Not Discolor Over Time
Retains its Absorptive Characteristics Over the Life of the Product
Optical Black Does Not Out-Gas or Cloud Sensitive Lenses

Receptive Metals
Aluminum Alloy
6000, 3000 & 5000 series only
Not suitable for 7000, 2000, castings or tool plate
Best performances achieved with high RA/roughened surface profile

100-1000 uin.

Max Part Size
36” x 36” x 30”


Performance :
Low Reflectivity
Material Type:
Aluminum Alloy