Richa Dye Chem Industries


Reactive dyes are basically used for dyeing cellulose fibers such as cotton and viscose, but they are more and more gaining importance for wool and polyamide. There is a wide range of reactive dyes is available and enables a large number of dyeing techniques to be used with it. In dyeing cellulose fibers with reactive dyes the following chemicals and auxiliaries are used:

  • Sodium carbonate, bicarbonate, and caustic soda
  • Sodium chloride and sulphate
  • Urea is added to the padding liquor in continuous processes
  • Sodium is to be added in the cold pad-batch method

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