Sulphur black BR has high washing fastness and strong applicability. Although the rubbing fastness and vividness are not as good as reactive dyes, their color fastness and light fastness are better than reactive dyes. Sulphur black dyes use less salt and consume less water when dyeing.

1. The advantages of using liquid sulphur black in denim dyeing.
For a century, indigo blue has been the main dyes used in the production of standard blue denim. The successful combination of sulphur black dye and indigo blue has created a brand-new dyeing effect and greatly increased the market demand for powder sulphur black. However, the large amount of dust, pungent odor and high COD&BOD industrial wastewater generated during the dyeing process of powder sulphur black dyes have been plagued by users and restricted by environmental protection organizations.

2.Liquid sulphur black is a pre-reduced sulphur dye leuco solution.
Environmentally friendly liquid sulphur black dyes have the following advantages compared with powdered dyes

1. Simple chemical materials, eliminate dust flying, improve working environment, reduce dust pollution, air pollution and water pollution.

2. After dissolving, filtering and purifying in the production process, so there are less impurities, pure feed, uniform quality, darker color and pure shade than ordinary powdered sulfur dyes, and it is very suitable for continuous dyeing.

3. Low affinity, easy penetration, good core penetration, and even more uniform dyeing effect can be obtained for the dyeing of heavy fabrics, with stable dyeing performance, simple process and good quality.

4. The quality is stable, the batch difference is small, and the products of stable quality can be dyed.

5. It has been specially pre-reduced and can be used directly after heating.

6. Low COD/BOD, reducing water pollution.

We produce liquid sulphur black for 26 years, and the strength can be up to 100%. Welcome your inquiry.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825