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High chroma and excellent lightfastness (≥7 on ISO 105-B02 scale) in demanding outdoor applications.
Outstanding thermal stability up to 280 °C, enabling compatibility with high-temperature polymer processing.
Excellent dispersion stability in polar and non-polar media, including polyolefins, PVC, and engineering thermoplastics.
Low volatility and negligible migration, meeting stringent regulatory requirements for food-contact-adjacent applications.
Consistent batch-to-batch color reproducibility supported by BASF’s certified quality control system.
Automotive interior and exterior plastic components (e.g., dashboards, trim, grilles).
Polyolefin-based consumer goods, including housewares and garden furniture.
High-performance industrial coatings requiring long-term weather resistance.
Masterbatch formulations for injection-molded and extruded technical parts.
Specialty films and flexible packaging requiring color stability under UV exposure.
| Chemical Type | Phthalocyanine derivative (Copper phthalocyanine, high-purity β-phase) |
| Product Form | Free-flowing powder |
| Appearance | Intense greenish-blue crystalline powder |
| Primary Applications | Plastics, coatings, and masterbatches |
| Key Features | High tinctorial strength, excellent heat stability, low dusting |
| Benefits | Reduced dosage requirement, enhanced processability, compliance with REACH and RoHS |
| Regulatory Status | Approved for use in EU plastics (EU No. 10/2011), FDA-compliant for indirect food contact (21 CFR §178.3297) |
| Particle Size (D50) | Approx. 0.08–0.12 µm (by laser diffraction) |
Q1: What is the primary chemical class and key performance characteristic of Heliogen L6700F?
A: Heliogen L6700F is a high-performance perylene-based organic pigment, distinguished by exceptional lightfastness, thermal stability, and resistance to migration in demanding polymer applications—particularly where long-term color integrity under heat or UV exposure is critical.
Q2: In which polymer systems is Heliogen L6700F most commonly processed?
A: It demonstrates excellent compatibility and dispersion stability in engineering thermoplastics such as polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS), especially during high-temperature compounding and injection molding processes.
Q3: Is Heliogen L6700F suitable for applications requiring food contact compliance?
A: While not pre-approved for all global food-contact regulations, Heliogen L6700F is manufactured under strict quality control and may be evaluated for specific food-contact applications on a case-by-case basis—subject to full formulation testing and regulatory review by the end-user.
Q4: How does Heliogen L6700F compare to conventional phthalocyanine blues in terms of heat stability?
A: Unlike standard copper phthalocyanine pigments, Heliogen L6700F offers significantly enhanced thermal stability—retaining its deep blue shade with minimal color shift at processing temperatures exceeding 300 °C in engineering polymers.
Q5: What is the typical dosage range for achieving optimal color strength and dispersion in polymer masterbatches?
A: Dosage depends on formulation requirements and desired opacity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—with efficient color development and good dispersion achievable using standard melt-compounding equipment.
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