1.Sulphur Black BR 200%2.color fastness:good3.Appearance: shining Black Flakes .4.fast dyeing5.used on cotton paper and viscose

we are manufactoure of sulphur black dyesSulphur Black/Sulphur Black Br/Sulphur Black Br 200%1.Appearance: Flashing Black Flakes Or Granules

Colour Index No.:C.I.Sulphur Black 1(53185)

Standard of identity:HG/T3427-2001

AppearanceFlashing Black Flakes or Granules

Strength (with the standard )100%

ShadeApproximate to the Standard

Moisture, %≤6.0

Insoluble matter in Sodium Sulfide, %≤0.4

Usage:Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. They are cheap, generally have good wash-fastness and are easy to apply. The dyes are absorbed by cotton from a bath containing sodium sulfide or sodium hydrosulfite and are made insoluble within the fiber by oxidation. During this process these dyes form complex larger molecules which is the basis of their good wash-fastness.Storage and transportation:It must be store in drying and ventilation preventing from sunlight directly,moisture or hot.Must be care with it and prevent from damaging the packing.Packing: 25kg woven bag or iron drum lined with polythene.