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High chroma and excellent color strength for vibrant, consistent red shades.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer matrices.
Excellent lightfastness and weather resistance per ISO 105-B02 (Grade 7–8).
Compliant with major global regulatory frameworks including REACH and RoHS.
Polyolefin fibers and spunbond nonwovens for technical textiles.
Engineering plastics including PP, PE, and ABS for automotive interior components.
Masterbatch formulations for food-contact-approved packaging applications.
Thermoplastic elastomers (TPE) requiring heat-stable, migration-resistant coloration.
Industrial coatings where UV durability and gloss retention are critical.
| Chemical Type | Quinacridone derivative |
| Product Form | Free-flowing powder |
| Appearance | Red-violet free-flowing powder |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | Heat stability, dispersion efficiency, low dust |
| Benefits | Color consistency, minimal plate-out, process robustness |
| Regulatory Compliance | REACH registered, RoHS compliant, FDA-acceptable for indirect food contact |
| Particle Size (D50) | Approx. 0.12–0.18 µm (by laser diffraction) |
Q1: What is the primary chemical class of Graphtol Red F5RK?
A: Graphtol Red F5RK is an organic pigment based on a quinacridone derivative structure, offering high chromatic strength, excellent lightfastness, and thermal stability suitable for demanding industrial applications.
Q2: Is Graphtol Red F5RK suitable for use in food-contact plastics?
A: Graphtol Red F5RK is not pre-approved for direct food-contact applications. Its suitability depends on final regulatory assessment by the formulator, including compliance with applicable regional regulations and migration testing under intended use conditions.
Q3: How does Graphtol Red F5RK perform in high-temperature processing?
A: This pigment demonstrates good thermal stability and is designed for use in polymer processing operations such as injection molding and extrusion, typically up to 280 °C for short residence times, depending on the base resin and processing environment.
Q4: What are typical dosage levels when using Graphtol Red F5RK in polyolefins?
A: Dosage depends on the desired shade intensity and opacity requirements, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight in polyolefin matrices.
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