Sulphur black dye C.I. Sulphur black 1, also called sulphur black BR, is a high-molecular compound with high sulfur content. Its structure is very unstable. Based on its structure and composition, we have analyzed and developed a discharge material specifically for knitted fabric sulphur black. The following is a sulphur black discharge Printing process:

Material ratio of denim sulphur black whitening process:

Sulphur black printing pulp: 97%
Sulphur black discharging powder: 10-15%
Defoamer: 1-2%​

Material ratio of denim sulphur black color drawing process:

Sulphur black printing pulp: 95%
Color type: 3-5%
Sulphur black discharging powder: 8-10%
Defoamer: 1-2%​

Precautions for sulphur black drawing process:

Please control the baking temperature of sulphur black white extraction at about 130℃ and the color extraction temperature at about 120℃; The cloth must be cold piled and enter the sink if possible (preferably about 70 ℃). The printed cloth must be washed in the same day.

Cangzhou Xincheng Weiye Chemical Co., Ltd is the professional denim sulphur black dyes manufacturer for 26 years. We can not only provide sulphur black 1 200% for denim fabric but also give you dyeing process instructions as per your factory status. Welcome your inquiry.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825