Direct black 38/Direct black EX

Appearance:

Brown black powder

Strength:

100%,150%,produce wide range of strengths as requests.

Cas No.:

1937-37-7

Light fastness:

4

Acid resistance:

3

Alkali resistance:

3

Water fastness:

3

Wash fastness:

3

Application:

Used for cotton,wool,plastic,paper,silk,leather,black ink.