Sulphur Navy Bluel CV 1. Physicalchemical Property:Blue-gray powder. Slight soluble in water. Insoluble in alcohol and benzene. Soluble in sodium sulfide solution, show olive. Turn deep blue in concentrated sulfuric acid, produce deep blue precipitate after diluted. Dyes show dark yellow in kalinous rongalite solution, show the original colour after oxidating. Fade in sodium hypochlorite solution. Turn deep blue in concentrated sulfuric acid. 2.Quality Standards Index name Index Appearance Blue-gray powderColour Similar Intensity100±3 to standard productsMoisture content %≤12% Impurities insoluble in Na2S %≤2% Freevulcanization content %≤3% Fineness (residue through thesieve of 60μm), %:≤5% Fastness dyes on cotton fabricStandard compliant3.Package" 40kg Woven bag with plastic bag underneath. 4. Uses:"Used for cotton, jute, viscose, vinylon & cotton blend and leather’s dyeing. Sometimes also used for cotton’s printing. 5.Application performance SunlightSoap washingIn waterIn perspirationIroningRubbingColourfadedTransferofcolourColourfadedTransferOfcolourColour faded Transfer of colourDry Wet 62-323-44-534441-2 Sulphur Navy Bluel CV Dye