Certifications: ISO 9001:2015

Acid Black 24

Acid Dyes

CI Number: 26370

Chemical Class: Disazo Dye

Form: Powder

Shade

Milling Black for High Wash Fastness

Acid Black 24 is a milling-type acid dye that gives a deep, bluish-black shade with good wet fastness properties. It is specifically designed for dyeing wool and nylon that will be subjected to laundering processes. As a disazo dye, it offers improved durability compared to standard levelling blacks. Its good performance and strong, fast colour make it a valuable choice for high-quality apparel, knitwear, and yarn where colour retention after washing is a key requirement.

Applications
  • Wool Dyeing: Ideal for dyeing machine-washable wool, providing a deep and durable black.
  • Nylon Dyeing: Used for achieving wash-fast black shades on polyamide apparel and textiles.
  • Leather Finishing: Gives a solid, durable black with good resistance to wet rubbing.

Key Benefits

  • Good wash fastness and wet fastness (milling properties).
  • Good lightfastness.
  • Deep, bluish-black shade with good build-up.

Technical Highlights

  • Appearance: Black powder.
  • Ionic Nature: Anionic.

Packaging & Availability

  • Supplied in a standardized powder form.
  • Standard Packing: In 25 Kgs HDPE Bags or Fiber drum with liner.
  • Customized packaging is available upon request.