High-Strength Blue for Paper, Leather, and Textiles
Direct Blue 71 is a trisazo direct dye known for its high tinctorial strength and good all-around performance. It produces a neutral to slightly reddish-blue shade and is a highly economical choice for achieving deep blue and navy colours on cellulosic substrates. Its reliability and versatility make it a workhorse dye in the paper, textile, and leather industries for a wide range of colouring applications.
Applications
Paper Colouring: Widely used for dyeing various grades of paper and board, especially for packaging.
Textile Dyeing: Suitable for dyeing cotton and viscose fibres for apparel and home furnishings.
Leather Finishing: A standard choice for producing solid, deep blue shades on leather.
Key Benefits
High tinctorial strength for excellent colour value.
Good lightfastness and solubility.
Economical for achieving deep blue shades.
Versatile across paper, textile, and leather applications.