Sulfur Black BR yog ib hom sulfur dub dye feem ntau siv hauv kev lag luam textile rau dye paj rwb thiab lwm yam cellulosic fibers. Nws yog xim dub dub nrog cov khoom muaj xim zoo nkauj, ua rau nws haum rau dyeing fabrics uas yuav tsum tau ntev-ntev thiab fade-resistant xim dub. Sulfur dub reddish thiab sulfur dub bluish ob leeg txais tos los ntawm cov neeg siv khoom. Feem ntau cov neeg yuav sulfur dub 220% tus qauv.
Sulfur Black BR tseem hu ua SULFUR BLACK 1, feem ntau yog siv cov txheej txheem hu ua sulfur dyeing, uas koom nrog rau hauv cov ntaub hauv qhov txo cov da dej uas muaj cov dye thiab lwm yam tshuaj ntxiv. Thaum lub sij hawm dyeing txheej txheem, cov sulfur dub dye yog chemically txo rau nws soluble daim ntawv thiab ces reacts nrog textile fibers los ua ib tug xim compound.