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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 (µm)

0.3 - 1

4 - 7

3 - 5

5 - 14

13 - 25

Working temperature

-70 °C to
+250 °C

-269 °C to +350 °C (4°K to 623 °K)

Weight of coating
(mg/m²)

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.


 
 

Data Sheet presenting all 7 coating types


Quick Quote - Parts Coating


Note: the values are average for above selected wavelength band

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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
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