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High chromatic strength with excellent color consistency across batches.
Outstanding thermal stability up to 280 °C, suitable for high-temperature polymer processing.
Superior lightfastness and weather resistance (ISO 105-B02, Grade 7–8).
Low volatility and minimal extractables, meeting stringent automotive and food-contact compliant requirements.
Optimized dispersibility in polyolefins, engineering plastics, and masterbatch systems.
Automotive interior components (dashboards, trim, seat fabrics).
Polypropylene and polyethylene packaging films requiring FDA-compliant coloration.
Electrical & electronics housings demanding UL94 V-0 rated pigments.
Precision injection-molded technical parts for medical devices.
Outdoor construction profiles exposed to UV and humidity.
| Chemical Type | High-performance organic pigment (Quinacridone derivative) |
| Product Form | Free-flowing powder or pre-dispersed pellet |
| Appearance | Red-violet fine powder with uniform particle size distribution |
| Primary Applications | Polyolefins, ABS, PS, PC/ABS blends |
| Key Features | Non-halogenated, REACH-compliant, no heavy metals |
| Heat Stability | ≤ 280 °C (10 min, air atmosphere) |
| Lightfastness (ISO 105-B02) | Grade 7–8 (excellent) |
| VOC & Extractables | Compliant with ISO 10993-12 and EU Directive 2002/72/EC |
Q1: What is the primary application area for Clariant A4R Pigment?
A: Clariant A4R Pigment is specially formulated for coloration of polyolefin-based packaging materials, including flexible films and rigid containers, where high thermal stability and excellent dispersion performance are required during extrusion and thermoforming processes.
Q2: Is Clariant A4R Pigment suitable for food-contact applications?
A: Yes — Clariant A4R Pigment is designed to meet global regulatory expectations for food-contact plastics, including compliance with major regional frameworks for indirect food contact. Final suitability depends on the complete formulation, processing conditions, and end-use requirements, and should be confirmed through appropriate migration testing and regulatory review.
Q3: How is Clariant A4R Pigment typically incorporated into polyolefin systems?
A: It is commonly introduced via masterbatch dilution or direct addition in compounding lines. Due to its optimized particle morphology and surface treatment, it achieves rapid wetting and uniform dispersion in molten polypropylene and polyethylene at typical processing temperatures, minimizing filter pressure buildup and streaking.
Q4: Does Clariant A4R Pigment offer resistance to common processing challenges such as heat history or shear degradation?
A: Yes — the pigment is engineered for high thermal stability and low volatility, enabling robust performance across repeated extrusion passes and extended residence times. Its molecular structure and stabilization system help maintain color strength and hue consistency even under demanding melt-processing conditions.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
