
Pigment Red
Pigment Red 254 (Starwin Red 254)
Pigment Red 254 (CAS 5521-31-3, C.I. 71130) is a high-performance DPP (diketopyrrolopyrrole) / perylene-type organic pigment delivering exceptional weatherability, lightfastness (7-8), and heat resistance up to 300°C. It produces a brilliant, clean red shade with outstanding opacity, superior tinting strength, and excellent dispersion characteristics. The leading choice for automotive OEM coatings, high-performance industrial finishes, engineering plastics, and premium printing inks requiring brilliant red color with maximum durability and hiding power.
Key Information
技术规格
产品概览
Starwin Red 254 is a premium DPP/perylene-type pigment that has become the industry standard for brilliant red applications requiring exceptional performance. With CAS number 5521-31-3 and C.I. classification 71130, this pigment combines the best attributes of DPP chemistry with perylene-level durability.
The pigment delivers a clean, brilliant red with excellent opacity and high tinting strength, making it the preferred choice for automotive OEM and other demanding applications where color brilliance and longevity are paramount.

密钥标识
| Property | 价值 |
|---|---|
| C.I. Name | Pigment Red 254 |
| 客户编号 | 71130 |
| CAS 编号 | 5521-31-3 |
| 化学类别 | DPP / Perylene Type |
| 色彩色相 | Brilliant Red |
| 分子量 | 441.44 g/mol |
Technical Specifications
| Parameter | 规格 |
|---|---|
| Lightfastness | 7-8(蓝色羊毛色) |
| Weatherfastness | 优秀 |
| Heat Resistance | 最高300°C |
| 吸油 | 35-45 g/100g |
| 粒径 | 0.15-0.30 微米 |
| 堆积密度 | 0.45-0.65 g/cm³ |
| pH 值 | 6.5-7.5 |

How to Interpret These Values
Brilliant Red Hue: Clean, saturated red with excellent chroma, providing vibrant coloration that stands out in automotive and premium industrial applications.
耐光性 7-8: Highest level of UV resistance ensures the brilliant red remains stable throughout the product's lifetime, even in harsh outdoor environments.
Heat Resistance 300°C: Withstands demanding processing conditions in engineering plastics and high-bake coating systems without degradation.
关键应用领域
- 汽车 OEM 涂料: The global standard for red basecoat systems
- Engineering Plastics: PA, PBT, POM, PC, and high-temperature compounds
- 粉末涂料: Architectural, automotive, and industrial finishes
- 印刷油墨: Premium packaging, label, and decorative printing
- Masterbatch: High-performance color concentrates
- Liquid Coatings: Industrial maintenance and protective systems

重要提示
- Store in original sealed packaging in cool, dry conditions
- Excellent dispersibility reduces processing time and energy
- Compatible with virtually all resin systems used in high-performance applications
- Follow standard safety protocols for pigment handling
Packaging & Storage
Available in 25kg bags, 20kg fiber drums, or bulk containers. Store in a dry, well-ventilated area away from direct sunlight and heat sources. Product stability exceeds 5 years when stored according to recommendations.
FAQ
Q: What makes PR254 the industry standard for automotive red?
A: PR254 combines brilliant red color, excellent opacity, and perylene-level durability (lightfastness 7-8, heat resistance 300°C), meeting all major automotive OEM specifications while providing superior color impact.
Q: How does PR254 compare to other high-performance reds?
A: PR254 offers better opacity than most perylene reds while maintaining similar durability, making it more efficient in solid color applications and reducing overall formulation costs.
Q: Is PR254 suitable for metallic systems?
A: While PR254 has good opacity, it can be used in metallic systems at appropriate concentrations. For highly transparent metallic effects, consider our transparent grades.
为何选择我们
- Industry-leading DPP/perylene pigment with proven global acceptance
- Comprehensive technical support and regulatory documentation
- 批次全程可追溯,品质始终如一
- Competitive pricing with reliable global supply
Contact Us
Request samples, technical data sheets, or pricing information from our sales team. We provide prompt, professional service for all inquiries and applications.
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