SOLUBILSED SULPHUR BLACK BR PropertiesBlank grain (powder),solublc in water.It is black with green bright when soluble in sodium sulfide solution.Qulity standard1.Appearance:Black grain (powder)2.Spectrometer strength,score(as the standard):100±53. Strength.score(as the standard) :100±34.Shade(as the standard):no difference5.Insoluble matters in water,%:≤0.56.Loss of drying %:≤7.07.Solubility ,g/L(60°C):≥608.Fastness of dyes on cotton fabriesDyeing 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 for dyeingand winding dyeing oncotton,jute,viscose,polyyinyl alcohol fibre and polyester ,polyamide fibre,especially used for rolling dyeing.It is uniform and stable in colour,good permeability when dyeing without any frahile treatment .It is alsoused for dyeing on Ieather and original viscose fibre.Starage and transportationBecause of its strong wet absorption.it mast be handled with care,storedin drying and ventilation place,preventing from sunlight,moisture and hotness.Transporting earefull and lightly.PackingIn iron drums inner-lined with plastic bag,25Kgnet each