The denim clothing produced in 522 sulphur black br 200% has a rough and unique style, which is deeply loved by young and middle-aged people. The dyeing equipment we use is the continuous printing and dyeing method of warp beams, and the production process is relatively mature. 522 sulphur black br is insoluble in water, but can be reduced to leuco in sodium sulfide solution and dissolved. This leuco body can be dyed on cellulose fibers to complete the dyeing process. Sulphur black dyes are similar in performance to direct and vat dyes.

　　The reducing agent of sulphur black, sodium sulfide, has weak reducibility, so sulphur black is not prone to reduction. At the same time, sulphur black br is relatively stable at high temperatures. When sulphur black dye is reduced and dissolved with sodium sulfide, thiophenol is generated, which is converted into sodium sulfide and dissolved.

        Producing 522 sulphur black br 200 for 26 years, Cangzhou Xincheng Weiye Chemical product has exported to Pakistan, Bangladesh, Thailand, Vietnam, Myanmar, Indonesia and Brazil with good reliable quality and fast delivery time. Welcome your inquiry.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825