Buluu wa Sulphur 7, yomwe imagulitsidwanso ngati Sulphur blue brn, ndi utoto wa sulphur womwe umagwiritsidwa ntchito kwambiri popanga nsalu za cellulosic monga thonje, denim ndi zovala zantchito. Mtundu wake wofiirira wa sulphur blue brn umadziwika bwino ndi utoto wofunda wofiirira-buluu, womwe umasiyanitsa ndi mitundu yozizira ya sulphur blue ndikupereka zotsatira zakuda zakuda pambuyo popaka utoto wa okosijeni. Sulphur blue brn wamphamvu kwambiri 180% imakhala ndi mphamvu yowonjezera utoto, kuchepetsa kuchuluka kwa utoto pomwe imasunga mtundu wofiirira-buluu wofanana popanga zinthu zambiri.

Monga utoto wosasungunuka wa sulfure, umasungunuka kwathunthu mu mowa wochepetsa sodium sulfide, womwe umalumikizana mwamphamvu ndi mamolekyu a ulusi ndikupereka kuwala kwabwino komanso kulimba kwa kusamba. Opanga amakonda utotowu.Sulphur Blue Brn 180%kuti mtengo ukhale wosavuta kugwiritsa ntchito: unit imodzi imakwaniritsa kuzama kofanana ndi mayunitsi 1.8 a utoto wolimba, zomwe zimachepetsa mtengo wa zinthu zopangira ndi madzi otayira. Sulphur blue brn yofiira imakwaniritsa kufunikira kwa msika kwa nsalu zakale zakuda zotentha, zomwe zimagwirizana bwino ndi mafashoni a denim, canvas ndi mayunifolomu a mafakitale.

Kutentha kolamulidwa ndi nthawi yowola imakhazikitsa mtundu wake wofiira, kupewa kusintha kwa mitundu kosagwirizana. Kulinganiza mphamvu ya utoto wambiri, mtundu wofiira wosiyana komanso kulimba kokhazikika, sulfure blue brn 180%, sulfure blue 7 ndisulfure buluu brine wofiirakukhalabe njira zofunika kwambiri za buluu wa sulfure mu unyolo wapadziko lonse wa mankhwala opangira nsalu.