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High chroma and excellent color strength for vibrant, consistent shades.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in demanding outdoor applications.
Excellent dispersibility in both polar and non-polar polymer systems.
Low volatility and minimal extractables, meeting stringent regulatory requirements for plastics.
Automotive interior and exterior plastic components.
Engineering thermoplastics including polypropylene (PP), polyethylene (PE), and ABS.
Household appliances requiring long-term color retention.
Consumer electronics housings and casings.
Industrial packaging films with high visibility and durability requirements.
| Chemical Type | Quinacridone derivative |
| Product Form | Fine powder |
| Appearance | Reddish-violet free-flowing powder |
| Primary Applications | Plastics (especially PP, PE, ABS) |
| Key Features | High heat stability, excellent dispersion, low migration |
| Benefits | Consistent batch-to-batch color, reduced pigment loading, improved processing efficiency |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3297 for indirect food contact |
| Recommended Processing Temperature Range | 200–280 °C |
Q1: What is the primary chemical class and typical hue profile of K3840SQ?
A: BASF K3840SQ is a high-performance quinacridone-based organic pigment, delivering strong violet-red to magenta shades with excellent chroma, clean undertones, and outstanding lightfastness and weather resistance.
Q2: Is K3840SQ suitable for use in food-contact plastics or packaging applications?
A: K3840SQ is not pre-approved for direct food-contact applications. Its suitability depends on final regulatory assessment by the formulator, including compliance with applicable regional food-contact legislation and migration testing under intended use conditions.
Q3: How does K3840SQ perform in demanding outdoor applications such as automotive coatings or architectural façades?
A: Thanks to its robust quinacridone structure and optimized surface treatment, K3840SQ offers exceptional resistance to UV radiation, heat, and atmospheric pollutants—making it well-suited for long-term exterior applications where color stability and gloss retention are critical.
Q4: What dispersion methods are recommended for optimal color development in polymer systems?
A: For best results, K3840SQ should be incorporated using high-shear compounding—such as twin-screw extrusion—especially in engineering thermoplastics. Pre-dispersed concentrates or masterbatches are strongly recommended to ensure uniform distribution and avoid agglomeration.
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E-mail: wangxingqiang@ericwchem.com
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