Blue 86
Direct Dyes
Direct dyes are anionic water-soluble azo and stilbene colorants that exhaust directly onto cellulosic fibers from a neutral or weakly alkaline electrolyte bath without the need for chemical fixation auxiliaries, making them among the simplest and most cost-effective dye classes for cotton, viscose, and linen in commodity shades across a full color range. While direct dyes offer good color strength and easy application by exhaust, pad-dry, or continuous processes, their inherent wet fastness is only moderate without aftertreatment — cationic fixing agents are routinely applied after dyeing to significantly improve the wash and perspiration fastness of direct-dyed substrates. They remain widely used for viscose dyeing, yarn dyeing, and paper coloring where process simplicity and broad shade range are priorities.
Key Applications
- Exhaust dyeing of cotton and viscose yarn and fabric in commodity shades
- Continuous pad-dry dyeing of woven cotton fabrics
- Viscose knitwear dyeing where reactive dye fixation is not required
- Paper pulp and fiber coloring in industrial applications
Frequently Bought Together
Indigo Blue
Indigo Blue is the iconic vat dye responsible for the distinctive blue color of denim fabric, applied to cotton warp yarns by continuous rope or slasher dyeing using a sodium hydrosulfite reducing bath followed by air oxidation in multiple dip-nip cycles to build up the characteristic surface-dyeing that produces the ring-dyeing effect essential to authentic denim fading behavior.
Textile Dyes & AuxiliariesSulphur Dyes
Sulphur dyes are a broad class of inexpensive, water-insoluble colorants for cellulosic fibers that are applied in solubilized leuco form from an alkaline sodium sulfide reducing bath, exhaust onto cotton at moderate temperatures, and are then re-oxidized within the fiber to form their insoluble colored structure.
Textile Dyes & AuxiliariesBasic Dyes
Basic dyes (cationic dyes) are highly brilliant, intensely colored ionic colorants with strong affinity for acrylic, modacrylic, and paper fibers, and secondary affinity for mordanted wool and silk, providing saturated fluorescent-level hues in red, blue, yellow, green, and violet that cannot be achieved with any other dye class.