Powder Paper Dyestuff Direct Fast Black G Direct Black 19 Dye

Direct Black 19, commonly known as Direct Fast Black G, is a high-performance trisazo powder dye specifically engineered for the paper and textile industries. It is a premier choice for paper mass coloration, offering a deep, neutral black tone with excellent affinity for cellulose fibers and wood pulp. This water-soluble dye ensures uniform penetration and high color yield, making it ideal for manufacturing black cardboard, high-quality packaging paper, and decorative tissues. Known for its reliable light fastness and bleed resistance, Direct Black 19 provides a cost-effective and efficient solution for achieving intense, durable black finishes in large-scale production.