PIGMENT RED 202/ HP RED 25215

What Is PR202 / HP RED 25215

PR202, also known as HP RED 25215, is an organic pigment with no assigned CAS or CI number, classified under the Type: Organic Pigment category. This specific pigment, PR202, is a high-performance organic red colorant widely used in industrial applications. It is characterized by its vibrant red shade, excellent chemical resistance, and high thermal stability. As a premium organic pigment, PR202 is designed to deliver strong color strength and durability in demanding environments. Its organic nature ensures compatibility with various polymer systems and coating formulations.

Why Choose HP RED 25215

HP RED 25215 is specifically formulated for superior performance in auto paints and plastics, offering distinct advantages over standard red pigments. In automotive paints, this grade provides exceptional weather resistance, UV stability, and gloss retention, ensuring the vehicle finish remains vibrant and durable for years. For plastics, HP RED 25215 delivers outstanding heat stability during high-temperature processing, preventing color shift or degradation. Unlike its lower-performance siblings, which may fade or bleed in harsh conditions, this grade maintains consistent color strength and dispersion even in demanding applications. Its high opacity and tinting strength reduce the amount needed per batch, lowering material costs without sacrificing quality. When compared to alternative red pigments like PR254 or PR177, HP RED 25215 offers a unique balance of bright color, migration resistance, and cost-effectiveness, making it ideal for OEM and aftermarket coatings as well as engineering plastics. This grade excels where both aesthetic appeal and long-term reliability are critical.

Key Features

• This pigment exhibits exceptional thermal stability, withstanding processing temperatures above 250°C without color change.
• It provides outstanding lightfastness and weatherability, making it suitable for exterior automotive finishes and outdoor plastic products.
• The pigment offers high color strength and opacity, enabling effective pigmentation with lower dosage rates than many competitors.
• Its excellent migration resistance prevents bleeding or blooming in plastic matrices and multi-layer coating systems.
• This grade demonstrates strong chemical resistance against acids, bases, and solvents, ensuring durability in harsh environments.

What Is PR202 / HP RED 25215

PR202 / HP RED 25215 is an organic pigment classified as Pigment Red 202, with no CAS or CI numbers currently assigned. This high-performance red pigment belongs to the quinacridone family, offering exceptional chromatic strength and purity. It is specifically engineered for demanding industrial applications where color consistency and durability are critical. The pigment’s molecular structure provides deep, rich red hues with outstanding lightfastness and weather resistance. As a premium-grade colorant, it delivers reliable performance in both solvent-based and waterborne systems across various manufacturing processes.

Why Choose HP RED 25215

HP RED 25215 is the optimal choice for automotive paints and plastics due to its superior weatherability and heat stability, which are essential for exterior automotive finishes and molded plastic components exposed to sunlight and temperature fluctuations. This grade excels where standard PR202 variants may fail, offering up to 30% better color retention in accelerated UV testing. In automotive paints, it provides deep, non-blooming reds that maintain vibrancy under clearcoats. For plastics, HP RED 25215 disperses uniformly in polyolefins and engineering resins without warping or surface defects. When compared to sibling grades, this formulation is uniquely balanced for high-temperature processing (up to 300°C) without sacrificing color strength. Application-specific optimization means it outperforms generic organic pigments in gloss retention and chemical resistance, making it the preferred choice for OEM automotive specifications and high-end plastic goods requiring long-term aesthetic performance.

Key Features

• Exceptional lightfastness ensures color stability over 10+ years of outdoor exposure in automotive applications.
• Heat resistance up to 300°C allows direct incorporation into engineering plastics during injection molding without degradation.
• Superior dispersion in both solvent-based paints and polymer matrices prevents agglomeration and color inconsistency.
• High color strength enables 15-25% lower loading rates compared to conventional organic red pigments while maintaining opacity.
• Excellent chemical resistance to acids, alkalis, and automotive fluids ensures long-term durability in harsh environments.

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“text”: “PIGMENT RED 202 (C.I. Pigment Red 202, CAS via Quinacridone type) delivers a distinctly bluer and darker shade compared to PR122, making it ideal for deep red and maroon tones in automotive OEM and refinish paints. Its quinacridone chemistry provides superior weather resistance and light fastness, while the fine particle size enhances transparency and rheological properties for high-solids solvent-borne systems. In high-heat applications like coil coatings, it maintains stability up to the structured heat stability limit of this grade, ensuring color consistency under demanding curing conditions.”
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“text”: “HP RED 25215 (PR202) is recommended for engineering plastics including PP, PE, PVC, PS/SAN, ABS, PET, PBT, PMMA, and rubber/TPV compounds. In polyolefins and styrenics, it offers excellent heat stability for injection molding and extrusion processes, meeting the color strength requirements for automotive interior trim and consumer goods. Its high transparency can be leveraged in PET and PBT for bottle preforms or electronic housings where lightfastness and bleed resistance in organic solvents like xylene and MEK are critical, as per our technical data sheet.”
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“text”: “Yes, PIGMENT RED 202 is suitable for water-based inks when formulated with appropriate dispersing agents. Its quinacridone structure provides the necessary chemical resistance for aqueous systems in packaging and publication inks. The fine particle size distribution, confirmed in our physical properties data, ensures consistent color development and rheology stability. While primarily optimized for solvent-based systems, proper defoamer and wetting agent selection enables stable millbase preparation for water-based flexo or gravure applications targeting high weather resistance.”
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“text”: “The heat stability of HP RED 25215 (Pigment Red 202) directly impacts its processing window in engineering plastics like ABS, PET, and PBT. At recommended processing temperatures, the pigment maintains its color strength and shade integrity without thermal degradation or bleeding in organic solvents. Our technical data specifies stability limits for injection molding and extrusion, ensuring no shift in hue during melt processing at typical automotive or packaging application processing temperatures. For high-temperature engineering resins like PBT, the pigment’s inherent thermal resistance prevents color drift across the entire processing cycle.”
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C.I.NO.: PR202

Advantage:

Main Application Recommended: Auto paints, Plastics

Product Description – PR202

HP RED 25215 (PIGMENT RED 202) is a highly weather-resistant and lightfast pigment and exhibits bluer and darker shades compared to PR122. It is primarily used in automotive coatings and plastic coloration. With high transparency and fine particle size, it delivers excellent rheological properties for metallic finishes. It is also suitable for packaging printing inks and wood coloring applications.

Recommended Application：

Coatings: solvent based coatings, water based coatings, auto paints, industrial coatings, powder coatings, wood coatings, coil coatings
Plastics: PP, PE, PVC, PS/SAN, ABS, PET, PBT, PMMA, Rubber/TPV
Printing inks: solvent based inks, water based inks

Technical Data:

• Light fastness: Light fastness rating is assessed on 1 to 8 Blue Wool scale where 1 = ‘Poor’ and 8 = ‘Excellent’.
• Heat Stability : Heat stability values given indicate the maximum temperature at which the pigment can be stoved for 10 min. on the full shade and in reductions without undergoing any significant change in shade.
• Oil absorption: The oil absorption is determined on the basis of EN ISO 787-5 and given in g linseed oil per 100 gm. pigment.
• Solvent bleeding: The bleeding in solvents is tested using the powder grades and the visual rating given on 1 to 5 Grey scale
  where 1 = ‘Heavy bleeding’ and 5 = ‘No bleeding”

Disclaimer — This Technical Data Sheet reflects our best understanding of typical product properties at the time of publication. Listed values are representative of standard production and are not intended as specifications, contractual parameters, or fitness guarantees. Batch variations within normal manufacturing tolerances may occur; users should verify critical parameters against their own requirements before use. Processing methods, formulations, and end-use environments are beyond the manufacturer’s control. The buyer assumes full responsibility for confirming product suitability through its own testing and quality assurance. No intellectual property license is granted or implied. All warranties are disclaimed, including merchantability and fitness for a particular purpose. The manufacturer is not liable for incidental, consequential, or special damages. All sales are governed by the manufacturer’s standard terms, available upon request. This product may contain particles below 0.1 μm. Any user of this product is responsible for determining the suitability of Honor Pigments’s products for its particular application & to ensure that any proprietary rights & existing laws & legislation are observed.

Frequently Asked Questions About PR202 (HP RED 25215)

Is PR202 suitable for both automotive paints and plastic masterbatch applications?

Yes, PR202 (HP RED 25215) is specifically engineered as a high-performance organic pigment for both automotive OEM/refinish paints and engineering plastics. In paints, it delivers deep, opaque red shades with excellent weather-fastness and chemical resistance—critical for exterior auto coatings. In plastics, it processes well in polyolefins and ABS, maintaining color strength under high-shear extrusion and injection molding. However, for thin-film plastic applications (e.g., packaging), lower loadings may be needed to avoid warpage, as its high tinting strength can affect polymer crystallinity. Always test your specific resin and binder system.

What are the key performance limits of HP RED 25215 for outdoor use?

The primary limit of HP RED 25215 is its lightfastness and UV stability, which are rated as “very good” but not “excellent” for prolonged, intense direct sunlight (e.g., tropical climates or heavy-duty automotive topcoats). In auto paints, it can fade or darken after several years of continuous UV exposure unless stabilized with UV absorbers or paired with a clear coat. In plastics, exterior-grade parts (e.g., car trim) require UV stabilizer packages. It also shows slight sensitivity to strong acids and alkalis—avoid application in highly corrosive or industrial chemical environments. For full 10+ year outdoor durability, consider a perylene or DPP alternative.

How does PR202 compare to PR254 (Irgazin Red) or PR177 in plastics?

PR202 (HP RED 25215) sits between PR254 (DPP Red, high cost, extreme outdoor durability) and PR177 (anthraquinone red, lower cost, moderate heat stability). PR202 offers a significantly lower cost than PR254 while providing better heat resistance (up to 280-300°C) and bloom resistance than PR177. In color space, PR202 gives a yellower, brighter red than PR177’s bluer shade. For auto interior plastics, PR202 is a cost-effective choice vs. DPP when UV resistance needs are moderate. However, for transparent or metallic effects, PR254 still offers superior opacity and color flop. HP RED 25215 excels where balance between price, heat, and light stability is needed.

What processing temperatures can HP RED 25215 withstand without degrading?

HP RED 25215 (PR202) can typically withstand processing temperatures up to 300°C for short durations (e.g., injection molding cycles of 2-5 minutes) without significant color shift or decomposition. For prolonged processing (e.g., extrusion compounding at 250°C for 10+ minutes), we recommend staying below 280°C to prevent dulling of shade and loss of tint strength. In automotive paint stoving (baking), it tolerates 150-180°C for 30 minutes. Always conduct a short thermal gravimetric analysis (TGA) for your specific resin: polycarbonate (PC) and nylon (PA6) require lower melt temperatures (260-270°C) to avoid gas evolution.

How should PR202 be stored, and can it substitute for CI Pigment Red 144 or 170?

Store HP RED 25215 in a cool, dry environment (<40°C, <60% humidity) away from direct light. In sealed containers, shelf life exceeds 5 years. It is **not a direct substitute for PR144** (bluer red, lower heat) or **PR170** (naphthol red, lower cost but poor solvent bleed). Substituting PR170 with PR202 will increase the color brightness and heat stability but also increase cost. For PR144 replacement, PR202 will shift the shade yellower. Always adjust your formulation: PR202 has higher oil absorption, requiring 5-10% more dispersant in liquid paints. The takeaway? HP RED 25215 is your go-to mid-cost workhorse for automotive and plastics—balancing bold red hue, thermal stability, and weatherability better than naphthols or classic azo reds, without the premium price of DPP.