Ibhlowu yeSulphur 7I-, ekwathengiswa njenge-Sulphur blue brn, yidayi ye-sulphur esisiseko eyamkelwe kakhulu kwiimpahla ze-cellulosic ezifana nekotoni, i-denim kunye neempahla zomsebenzi. Uhlobo lwayo olufana ne-sulphur blue brn ebomvu luphawuleka ngethoni efudumeleyo ebomvu-blu, eyahlula kwimibala epholileyo ye-sulphur blue kwaye inika iziphumo ezicebileyo, ezimnyama ezimnyama emva kokudaywa kwe-oxidation. I-sulphur blue brn enamandla aphezulu yi-180% inamandla okuphucula umbala, inciphisa umthamo ngelixa igcina umbala obomvu-blu-blu ohambelanayo kwimveliso enkulu.

Njengedayi yesalfure enganyibilikiyo, inyibilika ngokupheleleyo kwi-sodium sulfide reducing liquor, inamathelana ngokuqinileyo nee-fiber molecules kwaye inika ukukhanya okugqwesileyo kunye nokuqina kokuhlamba. Abavelisi bayayincoma le dayi.i-brn eluhlaza okwesibhakabhaka yesalfure eyi-180%ukuze kusetyenziswe kakuhle iindleko: iyunithi enye ifikelela kubunzulu obufanayo neeyunithi ezili-1.8 zedayi enamandla aqhelekileyo, nto leyo enciphisa iindleko zezinto eziluhlaza kunye namanzi amdaka. I-sulphur blue brn ebomvu iyanelisa imfuno yemarike yamalaphu amnyama akudala, anombala ofudumeleyo, ahambelana ngokugqibeleleyo neemfuno zokudaya idenim yefashoni, i-canvas kunye neyunifomu yemizi-mveliso.

Ubushushu obulawulwayo kunye nexesha lokuxinana komoya kuzinzisa umbala wayo obomvu, kuthintelwe ukutshintsha kombala okungalinganiyo. Ukulinganisela amandla aphezulu okudaya, umbala obomvu ocacileyo kunye nokuqina okuzinzileyo, i-sulphur blue brn eyi-180%, i-sulphur blue 7 kunyeibrub eluhlaza okwesibhakabhaka etyhelizihlala ziyindlela eziluhlaza okwesibhakabhaka ezibaluleke kakhulu kwiikhonkco zokubonelela ngeekhemikhali zelaphu zehlabathi.