Product Introduction
Acid blue 120 CAS# 3529-01-9 a diazo dye with the appearance of dark blue powder. It dissolves in water. Soluble in ethanol. The water solution appears reddish navy blue color.
Mainly used in the dyeing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather and paper.
pH 4.5-5.5 recommended for the dyeing of wool; pH 4.5-5.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Dark Blue Powder |
|
pH Value ( 1% Water Solution) |
8.00-10.00 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥10g/l |
|
Degree of Fineness (200um) |
≤8 |
|
Dust-Proof Performance |
≥2 |
Fastness Properties (Polyamide)
|
DYEING DEPTH (O.W.F) |
LIGHT (XENON) |
WASHING (50℃) |
PERSPIRATION (ALKALI) |
RUBBING |
WATER |
|
3% |
1/1 |
CH PA CO |
CH PA CO |
(DRY) (WET) |
CH PA CO |
|
5 |
3-4 3-4 3-4 |
4 3-4 4 |
4 3 |
4 3-4 4-5 |
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