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Sulphur Black China Factory
Product Character: Sulphur black is insoluble in water or ethanol, it appears as green-black in the solution of sodium sulfide, appears bluish when put caustic soda in the solution of sulphur black, and appears greenish precipitate with hydrochloric acid It's miniature s...Read more -
Sulphur Black BR is insoluble in water, How to dye
Denim clothes dyed with Sulphur Black BR are very popular. The dyeing equipment we use adopts the method of continuous printing and dyeing of warp shaft, and the production process is relatively mature. Sulphur Black BR is insoluble in water, but, it can be dissolved in ...Read more -
Production method and characteristics of indigo blue
The application of indigo dye has a history of more than 5000 years and is considered to be the oldest dye.Our factory now uses the most advanced equipment and production technology to produce indigo blue, to ensure that our indigo blue products are of the best quality, ...Read more
