Product Introduction
Acid blue 62 CAS# 4368-56-3 is an anthraquinone dye with the appearance of blue powder. It dissolves easily in water. Soluble in ethanol and acetone. The water solution shows bluish color.
Mainly used in the dyeing and direct printing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather and cosmetics.
pH 3.50-5.0 recommended for the dyeing of wool; pH 5.50-6.0 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Blue Powder |
|
pH Value (1% Water Solution) |
8.40-10.40 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥80g/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 |
|
1% |
1/1 |
CH PA CO |
CH PA CO |
(DRY) (WET) |
CH PA CO |
|
5 |
3-4 3 4 |
4-5 2 4 |
5 4-5 |
4-5 2 4 |
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