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Specifications
| Shade: | Similar to standard |
| Tinting Strength: | Corresponding to strength (100 ± 5)% |
| Moisture: | 1.0% max |
| Oil Absorption: | 40 to 50% |
| pH Value: | 6.5 to 7.5 |
| Residues on Sieve (80 mesh): | 5.0% max |
| Soluble Matter in Water: | 1.5% max |
| Conductivity: | 500 Siemens max |
Applications
1. Printing Inks
Used extensively in offset, flexographic, gravure, and screen printing inks for packaging, labels, and publications.
Provides bright, eye-catching red hues.
2. Plastics
Added to polymer resins like PVC, polyethylene, and polypropylene to impart vivid red coloration.
Maintains color stability during processing.
3. Coatings and Paints
Employed in architectural, industrial, and automotive coatings.
Provides a vibrant red color, though lightfastness is moderate, so usage is more common in interior or short-term applications.
4. Artists' Colors
Used in artist paints and pigments, especially for applications needing bright reds with good opacity.
5. Textiles
Applied in synthetic fiber dyeing and pigment printing to provide red shades with reasonable durability.
Benefits
Bright and Vivid Color: Provides intense red tones suitable for various applications.
Good Dispersibility: Easily disperses in solvents, polymers, and coatings.
Cost-Effective: Relatively economical pigment compared to other high-performance reds.
Stable in Processing: Holds color well during melt processing in plastics.
Conclusion
Pigment Red 2 (CAS 6041-94-7) is a widely used bright red azo pigment valued for its vivid color, good dispersibility, and cost-effectiveness. It finds applications in printing inks, plastics, coatings, and textiles, especially where intense red coloration is needed for interior or limited outdoor use. While it has moderate lightfastness, it remains a popular choice for economical and vibrant red pigment solutions.
