Pigment Red 185
Pigment Red 185 is an organic pigment in the Benzimidazolone class. Identification: C.I. 12516, CAS 51920-12-8. Key performance: heat resistance 250, light fastness 7-8. Recommended for high-performance coatings, plastics and inks requiring excellent durability.
Key Features
Technical Specifications
| C.I. NO. | 12516 |
| CAS NO. | 51920-12-8 |
| EU NO | 257-515-0 |
| Molecular Formula | C27H24N6O6S |
| Chemical Group | Benzimidazolone |
Physical Data & Fastness Properties
| Acid Resistance | 5 |
| Alkali Resistance | 4-5 |
| Heat Resistance | 250 |
| Light Fastness | 7-8 |
Applications
- Automotive OEM/refinish coatings
- Powder coatings
- General-purpose inks
- Paints and coatings
- Plastics coloring
- Masterbatch production
Usage Instructions
Recommended dosage: 0.3–3.0% depending on color strength and application. For plastics/masterbatch, pre-disperse with suitable carrier resin and dispersant; for inks/coatings, mill to target fineness. Processing temperature should be controlled below 250°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
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