Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Hoover 778BN Brown Dye

Hoover778BNBrownDyeisapremiumazo-basedbrownacid dyefromHoover’s778Series,designedforexcellentleveling,fastness,andcompatibilitywithwool,silk,andnylon.Itoffersintensebrownshadeswithsuperiorwetandlightfastnessinindustrialtextiledyeingapplications.
  • hoover 778bn brown dye_6761b833
  • hoover 778bn brown dye_6761b833

Features Of Hoover 778BN Brown Dye

  1. Highly stable brown shade with excellent lightfastness and thermal stability up to 180°C.

  2. Excellent solubility in polar organic solvents including ethanol, ethyl acetate, and propylene glycol methyl ether.

  3. Low heavy metal content, compliant with EU REACH and Oeko-Tex Standard 100 Class I requirements.

  4. Consistent batch-to-batch color strength (ΔE < 0.8 vs. master standard) for reliable production control.

  5. Non-bleeding formulation suitable for demanding polymer and coating applications.

Typical Applications Of Hoover 778BN Brown Dye

  1. Coloration of polycarbonate and ABS plastics for automotive interior components.

  2. Transparent brown tinting in solvent-based wood stains and furniture finishes.

  3. Shading agent in high-performance industrial coatings for architectural metal substrates.

  4. Dyeing of synthetic fibers (e.g., nylon 6,6) in textile pre-metallized dyeing processes.

  5. Color standardization in printing ink formulations for flexible packaging gravure inks.

Specifications Of Hoover 778BN Brown Dye

Chemical TypeAzo-based disperse dye
Product FormFine free-flowing powder
AppearanceUniform reddish-brown powder
Primary ApplicationsPlastics, coatings, inks, and synthetic fibers
Key FeaturesThermally stable, non-bleeding, REACH-compliant
Particle Size (D50)3–5 µm (laser diffraction)
Volatile Organic Content (VOC)< 0.5% w/w
Storage ConditionsStore in cool, dry place below 30°C in original sealed container


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