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High thermal stability suitable for demanding polymer processing conditions.
Excellent lightfastness and weather resistance in outdoor applications.
Strong tinting strength with clean, bluish-red shade characteristic of high-performance quinacridone pigments.
Good dispersibility in both polar and non-polar resin systems.
Compliant with major global regulatory frameworks including REACH and RoHS.
Automotive exterior coatings requiring long-term UV durability.
Engineering thermoplastics such as polypropylene (PP), polyethylene (PE), and ABS.
High-performance industrial coatings for architectural and agricultural equipment.
Plastic packaging films where color consistency and migration resistance are critical.
Masterbatch formulations for injection molding and extrusion processes.
| Chemical Type | Quinacridone derivative pigment |
| Product Form | Fine powder |
| Appearance | Red-violet free-flowing powder |
| Primary Applications | Polymer coloring, automotive coatings, industrial finishes |
| Key Features | High chroma, excellent heat stability, low volatility |
| Benefits | Consistent batch-to-batch performance, optimized for high-shear dispersion |
| Regulatory Status | REACH registered; compliant with EU Directive 2002/72/EC for food-contact plastics (subject to specific migration limits) |
Q1: What is the primary chemical class and pigment type of PV Fast Red E4G?
A: PV Fast Red E4G is a high-performance quinacridone-based organic pigment, classified under the Pigment Violet (PV) series. It exhibits strong red-shade violet hue with excellent lightfastness and weather resistance.
Q2: Is PV Fast Red E4G suitable for use in food-contact plastics or packaging applications?
A: PV Fast Red E4G is not specifically approved for direct food-contact applications under major global regulatory frameworks. Its suitability depends on final formulation compliance, migration testing, and end-use regulatory assessment—consult Clariant’s regulatory documentation and local authorities before use in such applications.
Q3: How does PV Fast Red E4G perform in polyolefin systems such as PP and HDPE?
A: PV Fast Red E4G demonstrates good thermal stability and dispersion behavior in polyolefins during standard processing conditions (e.g., injection molding, extrusion). It typically delivers consistent shade, high tinctorial strength, and acceptable bleed resistance when properly compounded.
Q4: What are recommended dispersion methods for optimal color development?
A: For best results, use high-shear compounding techniques—such as twin-screw extrusion or high-speed dissolver mixing—with compatible carrier resins or dispersing aids. Pre-dispersed concentrates (pellets or pastes) are often preferred to ensure uniform distribution and minimize agglomeration.
Q5: Can PV Fast Red E4G be used in combination with other organic pigments or effect pigments?
A: Yes—PV Fast Red E4G shows good compatibility with many common organic pigments (e.g., phthalocyanines, perylenes) and selected effect pigments. However, compatibility and chromatic stability should be verified in the target system through lab-scale trials due to potential interactions affecting hue, gloss, or dispersion stability.
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