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High chroma green shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, ensuring color consistency in demanding applications.
Compliant with major global regulatory frameworks including EU REACH and US FDA 21 CFR for selected applications.
Automotive interior and exterior plastics (PP, ABS, PC/ABS blends).
Packaging films and containers requiring food-contact compliance.
Engineering plastics for consumer electronics housings.
Industrial coatings requiring long-term outdoor durability.
Masterbatch formulations for injection-molded and extruded parts.
| Chemical Type | Quinacridone derivative (high-performance organic pigment) |
| Product Form | Free-flowing powder |
| Appearance | Green crystalline powder |
| Primary Applications | Plastics, coatings, and masterbatches |
| Key Features | High transparency, excellent heat stability, low volatility |
| Benefits | Consistent batch-to-batch color, minimal filter pressure buildup |
| Recommended Carrier Resins | PP, PE, PS, ABS, PC, PET |
| 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 application focus of Hostaperm GNX?
A: Hostaperm GNX is a high-performance perylene-based organic pigment, widely used for demanding coloration applications requiring excellent lightfastness, heat stability, and weather resistance—particularly in engineering thermoplastics, automotive interior parts, and premium industrial coatings.
Q2: Is Hostaperm GNX suitable for food-contact or pharmaceutical packaging applications?
A: Hostaperm GNX is not pre-approved for direct food-contact or pharmaceutical use. Its suitability depends on full regulatory assessment by the end-user, including compliance with applicable regional regulations (e.g., FDA, EFSA) and migration testing under final processing and service conditions.
Q3: How does Hostaperm GNX perform in high-temperature polymer processing?
A: This pigment demonstrates good thermal stability and is routinely processed in polymers such as polyamide, polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS) at temperatures up to 300 °C, maintaining color strength and minimizing degradation or gas evolution.
Q4: What dispersion methods are recommended for optimal performance in solvent-based systems?
A: For solvent-based coatings and inks, Hostaperm GNX typically achieves best results using high-shear dispersers or bead mills with compatible resin vehicles (e.g., acrylics, polyurethanes). Pre-wetting with low-viscosity solvents followed by gradual addition of binder helps ensure uniform distribution and maximum color development.
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E-mail: wangxingqiang@ericwchem.com
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