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High thermal stability suitable for demanding polymer processing up to 280 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8 requirements.
Outstanding migration resistance in PVC, polyolefins, and engineering plastics.
Optimized particle size distribution for superior color strength and dispersion efficiency.
Halogen-free formulation compliant with RoHS and REACH regulatory frameworks.
Coloration of rigid and flexible PVC profiles, cables, and flooring.
Pigmentation of polypropylene (PP) and polyethylene (PE) injection-molded parts.
Masterbatch production for automotive interior trim and exterior components.
High-performance applications in engineering thermoplastics including ABS and PS.
Food-contact-compliant packaging films where regulatory safety is critical.
| Chemical Type | Quinacridone derivative (high-performance organic pigment) |
| Product Form | Free-flowing powder |
| Appearance | Violet-red free-flowing powder |
| Primary Applications | PVC, polyolefins, engineering plastics, masterbatches |
| Key Features | Thermal stability, migration resistance, halogen-free |
| Benefits | Consistent batch-to-batch color, low dust generation, easy dispersion |
| Regulatory Compliance | REACH registered, RoHS compliant, FDA 21 CFR 178.3297 (indirect food contact) |
| Recommended Processing Temperature Range | 160–280 °C |
Q1: What is the primary application field for PV FAST HFR 25?
A: PV FAST HFR 25 is specifically developed for high-performance coloring of engineering thermoplastics—especially polyamide (PA6, PA66) and polybutylene terephthalate (PBT)—in applications requiring excellent heat stability, lightfastness, and migration resistance, such as automotive interior components and electrical connectors.
Q2: How does PV FAST HFR 25 perform under high-temperature processing conditions?
A: This pigment exhibits outstanding thermal stability, maintaining color integrity during melt processing of engineering plastics at temperatures up to approximately 280–300 °C, making it suitable for demanding injection molding and extrusion processes without significant decomposition or hue shift.
Q3: Is PV FAST HFR 25 suitable for food-contact or medical-grade polymer applications?
A: While PV FAST HFR 25 is designed for technical performance rather than regulatory compliance per se, it is not pre-qualified for direct food-contact or medical device applications. Customers must conduct full regulatory assessment—including extractables testing and compliance with applicable regional requirements—prior to use in such sensitive applications.
Q4: What is the typical dosage range when using PV FAST HFR 25 in polyamide systems?
A: Dosage depends on the desired shade strength and final part requirements, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight—due to its high tinctorial strength and efficient dispersion behavior in polar engineering resins.
Q5: Can PV FAST HFR 25 be used in combination with other Clariant pigments or additives?
A: Yes, PV FAST HFR 25 demonstrates good compatibility with many standard Clariant additives—including heat stabilizers, UV absorbers, and other high-performance organic pigments—though formulation-specific compatibility testing is recommended to ensure optimal dispersion, color consistency, and long-term stability.
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E-mail: wangxingqiang@ericwchem.com
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