Products

Direct Black Ex / Direct Black 38

China Direct Black Ex / Direct Black 38, Find details about China Direct Dyes, Direct Black Ex from Direct Black Ex / Direct Black 38

Model NO.
100%
Model NO.
100%
Specifications

1 Product name Direct black EX
2 CAS No. 1937-37-7
3 MF C34H25N9Na2O7S2
4 Molecular Formula 781.72
5 Strength 100% 150%

Product name

Direct black EX

CAS No.

1937-37-7

MF

C34H25N9Na2O7S2

Molecular Formula

 

781.72

Strength

100% 150% 160%

solubility in water

40g/L (85°C)

Washing

3

Perspiration (Acid)

3-4

Perspiration (Alkaline)

3-4

Rubbing (Dry)

3

Rubbing (Wet)

1-2

Iron

3-4

Light

3

Deep black color when dyeing for cotton and viscose fiber, which is much better than Direct Black G; it can be also used for cotton, viscose printing, natural silk, nylon and blended spinning fabrics dyeing; widely used for leather, wood, plastics and black inks.

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