High Quality Direct Blue 5B Direct Blue 15 for Paper Pulp

Direct Blue 15, also known as Direct Blue 5B, is a high-performance disazo dye specifically optimized for the paper pulp and textile industries. It is renowned for its vibrant sky-blue hue and exceptional affinity for cellulose fibers, making it an essential colorant for paper mass dyeing. This water-soluble dye ensures uniform distribution and high color yield in wood pulp, ideal for producing colorful offset paper, decorative tissues, and high-quality stationery. Its reliable light fastness and ease of application in both batch and continuous coloring processes make it a top choice for manufacturers seeking consistent and brilliant blue finishes.