Sulphur Black Dye

PropertiesBright-black flake or grain, insoluble in water and alcohol. It is the green-black colour when it soluble in solution of sodium sulfide.Qulity standardAppearance:Bright-black flake or grainShade:no difference as the standardStrength, score:100 as the standard productMoistness, %:≤6Insoluble matters in the solution of sodium sulfide, %:≤0.3Fastness of dyes on cotton fabrics:Dyeing depth, %Res- istance SunlightResistance washing with soap at 95°CResistance perspirationRubbingIroning at 200°CacidalkaliChangeStain on cottonStain on woolChangeStain on cottonStain on woolChangeStain on cottonStain on woolDrywetChange (after 4 hours)663-444-544-54-544-54-52-31-24UsesMainly used dyeing on cotton, also used dyeing on cambric, viscose and vinylon.Starage and transportationIt must be store in drying and ventilation preventing from sunlight directly, moisture or hot. Must be careful with it and prevent from damaging the packing.PackingIn iron drums of 25kg or 50kg net each lined with plastic bag.