Product Introduction
Acid brown 283 CAS# 12219-66-8 is an azo and 1:2 chromium complex dye with the appearance of chocolate brown powder. It dissolves in water. The water solution shows brown color.
Mainly used in the dyeing and printing of wool, silk and nylon/polyamide. And can also be used in the dyeing of leather.
pH 4.5-5.5 recommended for the dyeing of wool; pH 4.5-6.5 recommended for the dyeing of nylon/polyamide.
Physical and Chemical Parameters
|
Appearance |
Chocolate Brown Powder |
|
pH Value (1% Water Solution) |
5.80-7.80 |
|
Strength |
98%-101% |
|
Color Difference CMC (2:1) |
≤0.50 |
|
Moisture |
≤8.00% |
|
Insoluble |
≤0.200% |
|
Solubility (90℃) |
≥50g/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 |
|
6 |
4 4-5 5 |
4-5 4-5 5 |
5 4-5 |
4-5 4-5 5 |
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