dark red light brown. Red brown powder. In the Sodium sulfide solution for red brown; In acetic acid and metal chromium to become red. In the Sodium hydroxide solution partly dissolved, for yellow brown; In concentrated sulfuric acid to dark brown, dilution with brown precipitation. Used for cotton, hemp, viscose fabric dyeing
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
|
Moderate
|
Severe
|
|
ISO
|
4
|
4
|
5
|
4
|
|
4
|
3
|
