Direct Black OB / Direct Black 80

Direct Black OB

  • C.I.Direct Black 80

  • C.I.31600

  • CAS: 8003-69-8

  • Standard Strength: 200%

  • Molecular Formula: C36H23N8Na3O11S3

  • Formula Weight: 908.78

Physical and Chemical Properties

 

Appearance: Bluish Black powder

Shade: Similar to standard

Strength: 100%


 

Fastness

 

Light

Washing

Water

Acid&Alkaline

Bleaching

Staining

Bleaching

Staining

Acid

Alkaline

2

3-4

--

3-4

--

4

4-5


 

Application

 

Dyeing for Cellulose Fiber.

Coloring for Paper and Leathers.


 

Packing

 

Packed in 25kgs Bag/Iron drum


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  • Solution for detergent ink, coating, plastics and textiles with 18 years business experience.
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