Latest News and Updates on Textile Auxiliaries and Dyes

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The Principle of Vat Dye Printing ProcessVat dyes are a unique class of dyes widely used in textile printing due to their excellent color fastness and durability. The printing process of vat dyes relies on reduction–oxidation (redox) reactions, combined with proper printing techniques and after-trea Read More

When dyeing cotton fabrics with vat dyes, issues such as no coloration, wrong shade, or uneven dyeing are common complaints among dyeing technicians. However, the root cause of these problems often lies not in the dye itself, but in incorrect dyeing procedures, especially during the pre-reduction st Read More

Vat dye dyeingVat dye dyeing is often used in yarn dyeing of yarn-dyed handkerchiefs and yarn-dyed towels. Vat dyes are water-insoluble dyes. The dyes themselves have no affinity for fibers and cannot be directly dyed. They must be dissolved with caustic soda and insurance powder to make leuco sodiu Read More