Rdc Ko Aaa National Manufacturers & Suppliers

direct dyes are water-soluble, anionic dyestuffs specifically designed for dyeing cellulosic fibers such as cotton and linen without the need for mordanting. these dyes produce vibrant colors when applied directly from an aqueous bath containing electrolytes like sodium chloride or sodium sulfate, often at or near the boiling point for improved uptake. in addition to cellulosic fibers, direct dyes can be applied to protein fibers such as silk and wool, making them versatile for various textile applications. the dyeing process typically requires an alkaline environment and sometimes sodium carbonate to enhance dye solubilisation, especially with acid-sensitive dyes or hard water conditions. although direct dyes offer bright and vivid shades, they tend to have average to poor wet fastness, which can be enhanced through specialized after-treatment processes known as 'after treated direct colors.' these dyes are cost-effective and widely employed in producing economical textile goods primarily for the local markets. the application of direct dyes is compatible with both atmospheric and high-temperature high-pressure (hthp) dyeing machines, making them adaptable to different industrial setups. overall, direct dyes offer a balance of affordability and color brightness for cellulosic and certain protein fibers but require post-treatment to improve durability and wash fastness.

Min. Order: 1 Kilogram

kartikeya overseas

kartikeya overseas

Delhi, India

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