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High thermal stability suitable for demanding polymer processing conditions up to 280 °C.
Excellent lightfastness and weather resistance, maintaining color integrity under UV exposure.
Outstanding migration resistance in PVC, polyolefins, and engineering plastics.
Low dust formulation ensuring improved workplace safety and handling efficiency.
Consistent batch-to-batch color reproducibility supported by stringent Clariant quality control.
PVC profiles and window frames requiring long-term color stability.
Automotive interior trims and dashboards exposed to elevated temperatures.
Wire and cable sheathing for flame-retardant applications.
Household appliances housings with high aesthetic and durability demands.
Technical films and geomembranes requiring UV resistance and chemical inertness.
| Chemical Type | Quinacridone-based organic pigment |
| Product Form | Free-flowing granular powder |
| Appearance | Uniform brown granules, free of visible specks or agglomerates |
| Primary Applications | PVC, polyolefins (PP, PE), ABS, PS, and thermoplastic elastomers |
| Key Features | Heat stability, low volatility, non-migrating, halogen-free |
| Benefits | Enables high-speed extrusion, reduces filter clogging, supports RoHS and REACH compliance |
| Recommended Loading Range | 0.1–2.0 wt% depending on substrate and opacity requirements |
| Storage Conditions | Store in original sealed packaging at 15–25 °C, protect from moisture and direct sunlight |
Q1: What is the primary application field for PV Fast Brown HFR?
A: PV Fast Brown HFR is a high-performance organic pigment specifically developed for heat-stable applications in engineering thermoplastics, including polyolefins, polyesters, and polycarbonates—commonly used in automotive interior parts, durable consumer goods, and technical components requiring consistent coloration under processing conditions.
Q2: Is PV Fast Brown HFR suitable for food-contact or medical-grade polymers?
A: While PV Fast Brown HFR exhibits good thermal stability and low volatility, it is not pre-qualified for direct food-contact or medical device applications. Its use in such regulated areas requires full formulation-level compliance assessment—including migration testing and regulatory review—by the compounder or end-user according to applicable regional requirements.
Q3: How does PV Fast Brown HFR compare to conventional brown pigments in terms of dispersion and color strength?
A: PV Fast Brown HFR offers superior tinctorial strength and excellent dispersibility in molten polymer matrices due to its optimized particle size distribution and surface treatment. This typically results in reduced pigment loading, improved batch-to-batch consistency, and lower risk of filter clogging during extrusion compared to many standard brown azo or metal oxide blends.
Q4: What are the recommended processing conditions for optimal performance?
A: PV Fast Brown HFR is designed for stable performance under standard thermoplastic processing temperatures up to approximately 300 °C. For best results, ensure adequate melt mixing time and shear during compounding, and avoid prolonged residence at peak temperature to preserve pigment integrity and minimize potential thermal degradation.
Q5: Can PV Fast Brown HFR be used in combination with other Clariant pigments or effect pigments?
A: Yes—PV Fast Brown HFR is fully compatible with other Clariant organic pigments, high-performance inorganic pigments, and selected effect pigments (e.g., aluminum flakes or mica-based pearlescents) when formulated in the same polymer system. Compatibility testing is recommended to confirm color stability, dispersion behavior, and absence of adverse interactions under processing conditions.
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