Certifications: ISO 9001:2015
Direct Blue 151 Powder
Category: Direct Dyes
CI Number: 24175
Chemical Class: Disazo Dye
Form: Powder
Lightfast Blue for Paper and Cellulosic Textiles
Direct Blue 151 is a disazo direct dye that produces a neutral to slightly reddish-blue shade with good lightfastness. It is a reliable and economical choice for colouring cellulosic fibres, particularly in the paper industry. Its good affinity for paper pulp and consistent dyeing performance make it a versatile workhorse for achieving a wide range of blue shades on various paper and board products.
Applications- Paper Colouring: Used for the mass and surface colouring of writing paper, packaging, and specialty papers.
- Textile Dyeing: Suitable for dyeing cotton and viscose fibres for apparel and home textiles where good lightfastness is needed.
- Leather Finishing: Can be used to produce a solid blue base colour on leather.
Key Benefits
- Good lightfastness for durable colour.
- Clean, neutral blue shade.
- High affinity for cellulosic fibres.
- Cost-effective with good colour yield.
Technical Highlights
- Tone: Reddish
- Ionic Nature: Anionic
- Appearance: Dark Blue Powder
Packaging & Availability
- Supplied in a standardized powder form.
- Standard Packing: 25 kg carton box.
- Customized packaging is available upon request.
