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High thermal stability suitable for demanding polymer processing conditions up to 280 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 and ISO 105-A02 standards.
Outstanding migration resistance in PVC, polyolefins, and engineering plastics.
Optimized particle size distribution for superior dispersion and color strength.
Halogen-free formulation compliant with RoHS and REACH regulations.
Coloration of rigid and flexible PVC profiles, pipes, and flooring.
Masterbatch applications in polypropylene (PP) and polyethylene (PE) packaging films.
Engineering plastics including ABS and polycarbonate for automotive interior components.
Thermoplastic elastomers (TPE) requiring high heat and UV stability.
Industrial coatings and coil coatings where long-term color retention is critical.
| Chemical Type | Quinacridone-based organic pigment |
| Product Form | Free-flowing powder |
| Appearance | Reddish-violet fine powder |
| Primary Applications | Polymer masterbatches, PVC compounds, industrial coatings |
| Key Features | Heat stability, lightfastness, migration resistance |
| Compliance | REACH registered, RoHS compliant, non-halogenated |
| Recommended Processing Temperature Range | Up to 280 °C (short-term) |
| Typical Loading Range | 0.5–3.0 wt% depending on substrate and performance requirements |
Q1: What is the primary chemical class of Permanent GRX 86?
A: Permanent GRX 86 is a high-performance quinacridone-based organic pigment, known for its excellent lightfastness, thermal stability, and strong red-violet hue.
Q2: Is Permanent GRX 86 suitable for food-contact plastics?
A: Permanent GRX 86 is not certified for direct food-contact applications. It may be considered for non-migrating, indirect food-contact uses only after thorough regulatory review and migration testing by the end-user’s qualified laboratory.
Q3: Which polymer systems show optimal dispersion and color development with this pigment?
A: Permanent GRX 86 delivers excellent performance in engineering thermoplastics such as polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS), especially under high-temperature processing conditions.
Q4: How should Permanent GRX 86 be dispersed to achieve maximum color strength and stability?
A: Optimal dispersion is achieved using high-shear compounding equipment—such as twin-screw extruders—with appropriate temperature profiles and residence time. Pre-dispersed masterbatches are recommended for consistent results in demanding applications.
Q5: What is the typical dosage range for Permanent GRX 86 in plastic coloration?
A: Dosage depends on the desired shade intensity and substrate, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—in most engineering plastic applications.
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