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Description
We are counted amongst one of the pioneers in offering high grade Sulphur Black Dyes. The dyes are formulated using high quality raw material. Our range of Sulphur Black Dyes is available in lustrous grains that impart dark black shade with a tinge of reddish or greenish tone as per the requirement. Moreover, we make our range available at very moderate price.
Uses
Jigger, Winch and package-Dyeing for Cotton and Viscose rayon
Storage
It is quite stable, if stored in cool and dry place
General Properties
This dye belongs to the group of Sulphur Dyes. It is mainly used for dyeing Cellulosic fiber. It is also useful for dyeing viscose, staple fiber and yarn, including material which is to be given a resin finish, Silk, package dyeing and for continuous process. The light fastness of Sulphur Black is very good
Hue. Artificial Light (tungsten) Greenish Black to Bluish Black
Reaction On Cellulose
Alkaline Sodium-dithionate : Yellow olive, returning to original on Oxidation
Sodium hypochloride : Bleached
H2 So4, conc. Sulphuric acid, conc. : Redder
Dyeing
Optimum dyeing temp. : 80-95deg. cent. Occasionally cold
Solubility in Na2S : Very Good
Exhaustion : Good
Dyeing rate : Moderate
Solubility in water : Soluble
Uses
Jigger, Winch and package-Dyeing for Cotton and Viscose rayon
Storage
It is quite stable, if stored in cool and dry place
General Properties
This dye belongs to the group of Sulphur Dyes. It is mainly used for dyeing Cellulosic fiber. It is also useful for dyeing viscose, staple fiber and yarn, including material which is to be given a resin finish, Silk, package dyeing and for continuous process. The light fastness of Sulphur Black is very good
Hue. Artificial Light (tungsten) Greenish Black to Bluish Black
Reaction On Cellulose
Alkaline Sodium-dithionate : Yellow olive, returning to original on Oxidation
Sodium hypochloride : Bleached
H2 So4, conc. Sulphuric acid, conc. : Redder
Dyeing
Optimum dyeing temp. : 80-95deg. cent. Occasionally cold
Solubility in Na2S : Very Good
Exhaustion : Good
Dyeing rate : Moderate
Solubility in water : Soluble
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Sulphur Black Dyes