Good Fastness Disperse Blue 4G Disperse Blue 359 for Polyester Fiber Dyeing

Disperse Blue 4G (Disperse Blue 359) is a premium grade dyestuff renowned for its exceptional color fastness and brilliant blue hue, specifically optimized for polyester fiber dyeing. It exhibits outstanding resistance to washing, perspiration, and sublimation, making it a reliable choice for high-end textiles. With its superior dispersion stability and excellent leveling properties, this dye ensures deep, uniform penetration even in complex synthetic blends. It is widely preferred for producing high-durability sportswear, outdoor gear, and fashion fabrics that demand long-lasting color integrity.