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High chroma and excellent lightfastness (≥7 on Blue Wool Scale) for long-term color stability.
Outstanding thermal stability up to 240 °C, enabling compatibility with demanding polymer processing conditions.
Good dispersibility in both polar and non-polar media, facilitating efficient incorporation into diverse resin systems.
Low volatile organic compound (VOC) content, supporting compliance with stringent environmental and regulatory standards.
Consistent batch-to-batch reproducibility ensured by BASF’s controlled synthesis and rigorous quality control.
Automotive interior plastics requiring high lightfastness and heat resistance.
Engineering thermoplastics such as polyamide (PA6, PA66) and polybutylene terephthalate (PBT).
High-performance industrial coatings for outdoor equipment and architectural applications.
Electrical and electronic components where color consistency and thermal reliability are critical.
Packaging films demanding food-contact compliant pigmentation with low extractables.
| Chemical Type | Polycyclic quinacridone derivative |
| Product Form | Fine, free-flowing powder |
| Appearance | Deep violet-red solid |
| Primary Applications | Plastics, coatings, and high-end inks |
| Key Features | High transparency, excellent weather resistance, low migration |
| Benefits | Enhanced color strength, improved processability, reduced formulation complexity |
| Regulatory Status | Compliant with EU REACH; meets FDA 21 CFR §178.3297 for indirect food contact |
| Storage Conditions | Store in original sealed container at 15–25 °C, protected from moisture and direct sunlight |
Q1: What is the primary chemical class and typical hue profile of Heliogen K6850?
A: Heliogen K6850 is a high-performance perylene-based organic pigment, offering a strong, clean bluish-red shade with excellent chroma and outstanding lightfastness. Its molecular structure delivers inherent thermal and weathering stability suitable for demanding applications.
Q2: Is Heliogen K6850 suitable for use in automotive coatings or exterior plastics?
A: Yes — it is widely selected for high-end automotive basecoats and exterior plastic components due to its exceptional resistance to UV radiation, heat, and long-term weathering. Performance is optimized when properly dispersed and formulated with compatible resins and stabilizers.
Q3: How does Heliogen K6850 compare to conventional quinacridone pigments in terms of dispersion stability and jetness?
A: Heliogen K6850 typically exhibits superior dispersion stability in polar media and delivers higher jetness and undertone consistency than many standard quinacridones, especially in solventborne and high-solids automotive systems. Its particle size distribution and surface treatment support robust rheological behavior and minimal flocculation.
Q4: What are recommended dispersion methods for optimal color development in industrial inkjet inks?
A: For inkjet formulations, high-shear wet-milling using ceramic or zirconia media is strongly recommended to achieve sub-150 nm primary particle size and narrow distribution. Stabilization with appropriate polymeric dispersants enhances colloidal stability and prevents nozzle clogging during extended printing cycles.
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