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High tinctorial strength with excellent color purity and clean bluish-red shade.
Outstanding thermal stability up to 280 °C, suitable for demanding polymer processing conditions.
Excellent lightfastness (Grade 7–8 per ISO 105-B02) and weather resistance in outdoor applications.
Good migration resistance in PVC, polyolefins, and engineering plastics.
Optimized particle size distribution for enhanced dispersion and gloss retention in masterbatches.
Polyvinyl chloride (PVC) profiles, cables, and flooring.
Polyolefin (PP, PE) injection molding and blow-molded containers.
Engineering plastics including ABS, PS, and polycarbonate blends.
Plastic packaging films requiring FDA-compliant colorants (subject to regulatory approval).
Automotive interior trims and non-structural plastic components.
| Chemical Type | Quinacridone derivative (Pigment Violet 19 analog, modified) |
| Product Form | Free-flowing powder |
| Appearance | Deep bluish-red powder |
| Primary Applications | Polymer coloration (PVC, PP, PE, ABS, PS) |
| Key Features | High thermal stability, low volatility, excellent dispersibility |
| Benefits | Consistent batch-to-batch color, reduced filter pressure buildup, high opacity |
| Regulatory Status | Complies with EU REACH; RoHS compliant; no SVHCs above threshold |
| Recommended Processing Temperature Range | 160–280 °C (depending on polymer matrix) |
Q1: What are the primary application areas for PV FAST RED HF4B 187?
A: This high-performance organic pigment is widely used in demanding industrial coatings, automotive refinish systems, and high-gloss plastic applications—particularly where excellent heat stability, lightfastness, and clean red hue are required.
Q2: Is PV FAST RED HF4B 187 suitable for use in plastics processing?
A: Yes—it exhibits good thermal stability and dispersibility in common thermoplastic resins such as polyolefins, PS, ABS, and engineering plastics, making it well-suited for coloration in injection molding and extrusion processes.
Q3: How does this pigment perform in solvent-based versus water-based systems?
A: PV FAST RED HF4B 187 is primarily optimized for solvent-based and high-solids coating systems. While it can be formulated into aqueous dispersions with appropriate surfactants and stabilization, its performance in water-based systems may require tailored dispersion protocols to ensure optimal color strength and stability.
Q4: What is the typical dosage range when using this pigment in coatings or plastics?
A: Dosage depends on the desired shade intensity and substrate requirements, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—due to its high tinting strength and efficient chromophore loading.
Q5: Does Clariant provide regulatory support for global compliance of this pigment?
A: Yes—Clariant supports customers with documentation and guidance related to major regional regulatory frameworks, including REACH, TSCA, and general food-contact suitability assessments, though final compliance responsibility rests with the formulator based on end-use conditions.
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