Designed for stable, production-scale black shades with minimized bleed and dependable fastness. Powder and liquid formats available to match different processing strategies.
Product Overview
Cationic Black OB is a carefully balanced cationic (basic) dye tailored for manufacturers requiring consistent, deep-black shades across lab and production runs. The "OB" grade emphasizes optimized bleed control and strong wet/rubbing fastness after recommended fixation and finishing.
Core advantages
- Stable deep-black shades with high tinctorial strength — less dye needed for target depth.
- Low migration & bleed control — reduces interlayer color transfer in multilayer and composite materials.
- Dual formats — free-flowing powder for custom batching and pre-dispersed liquid for quick feed-in.
- Production-oriented — manufactured with QA traceability for reproducible lot-to-lot performance.
- Technical support — lab matching and pilot-scale assistance to accelerate scale-up.
Applications
Cationic Black OB is commonly used for:
- Mill-scale dyeing of acrylic yarns and garments.
- Textile blends where controlled migration is required.
- Leather finishing with strong wetfastness needs.
- Specialty aqueous inks and color concentrates (compatibility testing required).
Technical Specifications
Dyeing Depth | 2.00 |
Compatibility | 2.5 |
Saturation Factor | |
PH Range | 4-5.5 |
Light | 2-3 |
Washing(60℃) | 4 |
Rubbing | 4 |
Ironing(150℃) | 4 |
Perspiration | 4-5 |
Packaging & Logistics
- Powder: 25 kg bag, 250 kg drum (options for inner liner)
- Liquid: 200 L drum, 1000 L IBC
- Custom batching, private labeling and export documentation available on request
