Certifications: ISO 9001:2015
Solvent Black 7
Category: Solvent Dyes
CI Number: 50415:1
Chemical Class: Azine Dye
Form: Powder
High-Purity Nigrosine Base for Resins and Inks
Solvent Black 7, also known as Nigrosine Base, is the free base form of Solvent Black 5. It is distinguished by its excellent solubility in a wide range of resins and binders, particularly shellac and synthetic resins. This property makes it a superior choice for high-quality printing inks, carbon paper, and for coloring plastics. It produces a deep, jet-black color with high strength and stability in various formulations.
Applications- Printing Inks: A staple for creating deep, high-quality black inks for gravure and flexographic printing.
- Carbon Paper: A key colorant used in the wax coating for high-grade carbon paper.
- Plastics Coloring: Used for coloring phenolic resins, polystyrene, and other polymers.
- Lacquers & Coatings: Provides a deep black color for industrial lacquers, varnishes, and wood finishes.
Key Benefits
- Excellent solubility in resins and binders.
- Deep, intense jet-black hue.
- High purity and tinctorial strength.
- Good stability in ink and coating formulations.
Technical Highlights
- Common Name: Nigrosine Base
- Ionic Nature: Non-ionic
- Appearance: Black Powder
Packaging & Availability
- Supplied in a standardized powder form.
- Standard Packing: 25 kg HDPE bags.
- Customized packaging is available upon request.