Xiav Sulphur 7, kuj tseem pauv ua Sulphur xiav brn, yog ib qho xim sulfur tseem ceeb uas tau siv dav rau cov ntaub cellulosic xws li paj rwb, denim thiab khaub ncaws ua haujlwm. Nws cov xim sulfur xiav brn reddish sawv tawm nrog lub suab sov so reddish-xiav, sib txawv ntawm cov xim xiav sulfur txias dua thiab xa cov nplua nuj, txheej txheem tsaus ntuj tom qab oxidation dyeing. Cov xim sulfur xiav brn 180% muaj zog siab muaj zog xim zoo dua, txiav cov tshuaj thaum khaws cov xim liab-xiav sib xws hauv kev tsim khoom loj.

Ua ib qho xim tsis yaj sulfur, nws yaj tag nrho hauv sodium sulfide txo cov cawv, khi ruaj khov rau cov fiber molecules thiab muab lub teeb zoo heev thiab ntxuav ceev. Cov chaw tsim khoom nyiamsulfur xiav brn 180%rau kev siv nyiaj kom zoo: ib chav ua tiav qhov tob tib yam li 1.8 chav ntawm cov xim zas muaj zog, txo cov nqi khoom siv raw thiab cov dej khib nyiab. Xim xiav sulfur brn liab ua tau raws li kev xav tau ntawm kev ua lag luam rau cov ntaub vintage, sov so, sib xws nrog cov khaub ncaws denim zam, canvas thiab kev xav tau zas xim rau kev lag luam.

Kev tswj qhov kub thiab lub sijhawm oxidation ua rau nws cov xim liab ruaj khov, zam kev hloov xim tsis sib xws. Sib npaug lub zog tinting siab, qhov ntxoov ntxoo liab sib txawv thiab ruaj khov, sulfur xiav brn 180%, sulfur xiav 7 thiabxiav sulfur brn reddishtseem yog cov kev xaiv xiav sulfur uas tsis tseem ceeb hauv cov khoom siv tshuaj lom neeg thoob ntiaj teb.