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High chroma and excellent color strength in demanding pigmentary applications.
Outstanding lightfastness and weather resistance, suitable for exterior exposure.
Good thermal stability up to 240 °C, enabling use in high-temperature polymer processing.
Excellent dispersibility in both polar and non-polar media, including polyolefins and engineering plastics.
Low migration tendency and high bleed resistance in PVC, flexible and rigid compounds.
Coloration of polypropylene (PP) and polyethylene (PE) fibers and injection-molded parts.
Pigmenting rigid and flexible PVC profiles, sheets, and flooring.
Automotive interior and exterior plastic components requiring long-term color retention.
Masterbatch production for high-performance industrial plastics.
Coating systems for architectural and industrial metal finishes.
| Chemical Type | Quinacridone derivative |
| Product Form | Fine free-flowing powder |
| Appearance | Violet-red to magenta shade |
| Primary Applications | Polyolefins, PVC, engineering plastics, coatings |
| Key Features | High lightfastness (ISO 105-B02: ≥7), excellent heat stability |
| Benefits | Consistent batch-to-batch color, low dust generation, high tinctorial strength |
| Recommended Processing Temperature Range | 180–240 °C |
| Regulatory Compliance | REACH registered; compliant with EU Directive 2002/61/EC for colorants |
Q1: What is the primary chemical class and typical hue profile of BASF GP K2960 64?
A: GP K2960 64 is a high-performance perylene-based organic pigment, offering strong bluish-red to maroon shade characteristics with excellent chroma and clean undertones. Its molecular structure contributes to outstanding lightfastness and thermal stability.
Q2: In which polymer systems is GP K2960 64 commonly processed, and what are key processing considerations?
A: This pigment demonstrates good dispersibility in engineering thermoplastics such as polyesters, polyamides, and polycarbonates, especially under medium-to-high shear compounding conditions. It is not recommended for prolonged exposure above 320 °C during melt processing, and optimal dispersion typically requires appropriate carrier resins or dispersing aids tailored to the base polymer.
Q3: How does GP K2960 64 perform in terms of weather resistance and UV stability?
A: As a perylene derivative, GP K2960 64 delivers very high inherent resistance to UV radiation and atmospheric aging. It maintains color strength and hue integrity significantly longer than many quinacridone or diketopyrrolopyrrole alternatives in outdoor-exposed applications, particularly when incorporated into stabilized polymer matrices.
Q4: Is GP K2960 64 suitable for applications requiring regulatory compliance for food contact or toys?
A: GP K2960 64 is not pre-qualified for direct food-contact or toy-safety regulated applications under major global frameworks. Customers intending such use must conduct full formulation-specific compliance testing and verify suitability against applicable local regulations, including migration assessments where required.
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E-mail: wangxingqiang@ericwchem.com
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