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What are the advantages of silica-based anhydrous dyeing?

Complete chromatography, low price, etc. The invention relates to a novel reactive dye dyeing method in a silicon-based non-aqueous medium. The advantages of silica-based anhydrous dyeing are complete chromatography and low price. In the dyeing process, reactive dyes are added directly in the form of particles without using dyeing auxiliaries such as inorganic salts.