Specification
Index
1st grade
2nd grade
3rd grade
Appearance
Black or brown even powder or pellet
Strength(than to standard sample) %
100
110
Remains through a sieve of 250um %≤
5.0
Water insoluble %¡Ü
0.3
Water %≤
5
Solubility(80°C)
40g/L
Uses
Mily use for dyeing of wool, woolens,nylon, silk and leather, it can dye goods even jet-black and grey