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High chroma and excellent color strength for vibrant, consistent hues.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in demanding outdoor applications.
Low migration behavior, ensuring color integrity in polymer matrices and food-contact-compliant formulations.
Excellent dispersibility in both polar and non-polar media, enabling efficient incorporation into masterbatches.
Polyolefin-based packaging films and containers.
Engineering plastics including polypropylene (PP) and polyethylene (PE) automotive interior parts.
Household appliances and consumer electronics housings.
Food-grade plastic containers compliant with FDA 21 CFR §178.3297 and EU Regulation (EC) No 10/2011.
Industrial coatings requiring high color purity and long-term durability.
| Chemical Type | Quinacridone derivative |
| Product Form | Fine free-flowing powder |
| Appearance | Red-violet crystalline powder |
| Primary Applications | Polyolefins, engineering plastics, coatings |
| Key Features | High thermal stability, low migration, excellent dispersion |
| Benefits | Color consistency, regulatory compliance, processing efficiency |
| Regulatory Status | FDA 21 CFR §178.3297 compliant; EU Plastics Regulation (EC) No 10/2011 compliant |
| Recommended Processing Temperature Range | 220–280 °C |
Q1: What is the primary chemical class and typical hue of HL70 36?
A: Clariant HL70 36 is a high-performance quinacridone-based organic pigment, delivering a clean, bluish-red shade with excellent chroma and strong tinting strength.
Q2: Is HL70 36 suitable for applications requiring high lightfastness and weather resistance?
A: Yes — HL70 36 exhibits very good lightfastness and excellent resistance to weathering, making it well-suited for demanding exterior applications such as automotive coatings and premium industrial finishes.
Q3: How does HL70 36 perform in polymer systems, particularly during high-temperature processing?
A: HL70 36 demonstrates good thermal stability and retains its coloristic properties during standard melt-processing of engineering thermoplastics, including polyolefins and polyesters, without significant degradation or blooming.
Q4: What are the recommended dispersion methods for optimal color development?
A: For best results, HL70 36 should be dispersed using high-shear equipment — such as three-roll mills, bead mills, or high-speed dispersers — in combination with compatible dispersants tailored to the specific medium (e.g., solvent-based, water-based, or polymer melt).
Q5: Can HL70 36 be used in food-contact or pharmaceutical applications?
A: HL70 36 is not certified for direct food-contact or pharmaceutical use; it is intended for industrial and decorative applications where regulatory compliance aligns with general-purpose pigment specifications.
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