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Black Optical Coating

Acktar is a world leader in high emissivity coatings.  Black Coatings with extremely high absorptance for optics, electronics and space applications are available now.
The combination of a very low reflectance, high thermal stability, excellent adhesion, and low outgassing - in a coating only microns thick - is unique to Acktar.

 

     

 

Optical Coating Types

 

Nano Black

Magic Black

Vacuum Black

Fractal Black

Ultra* Black

Coating thickness (m)

0.3 - 1

4 - 7

3 - 5

5 - 14

13 - 25

Working temperature

-70 C to
+250 C

-269 C to +350 C (4K to 623 K)

Weight of coating
(mg/m)

0.1 - 0.25

1.1 - 1.6

0.7 - 1.1

1.6 - 3.2

3.3 - 6.5

Abrasion resistance

moderate

light

moderate

moderate

moderate

Adhesion Coated pieces withstand scotch tape test (3M853 Crystal Clear tape, strength of 13N per 25mm), without any evidence of coating removal.
Outgassing:
1. CVCM (%) 0.001
2. RML (%) 0.2
Chemical content completely inorganic
Surface resistivity

≤2X106Ω/□

LIDT

Laser induced damage thresholds data

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.


* Ultra Black can be provided on planar parts only
** Metal Velvet can be provided only as roll/ sheet material


Black Optical Coatings - Comparison

All Acktar coatings can be applied directly on discrete components and on roll materials, except Metal Velvet Coating which can be provided as roll material only.


 
 


Quick Quote - Parts Coating


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ACKTAR Ltd.1 Leshem St., Entrance A, P.O.B. 8643; Kiryat-Gat , 8258401Israel
Phone: +972-8-6814213Fax: +972-8-6810198E-mail: customer-support@acktar.com