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High chromatic strength with excellent bluish-red shade consistency.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in demanding outdoor applications.
Low migration behavior, ensuring color integrity in PVC and polyolefin compounds.
Optimized dispersibility in both solvent-based and water-based systems.
PVC profiles and window frames requiring durable, non-bleeding red shades.
Masterbatches for polypropylene (PP) and polyethylene (PE) packaging films.
Automotive interior plastics where heat resistance and low volatility are critical.
Coatings for industrial appliances and exterior building components.
Engineering plastics used in consumer electronics housings and connectors.
| Chemical Type | Quinacridone derivative |
| Product Form | Fine powder |
| Appearance | Reddish-violet free-flowing powder |
| Primary Applications | PVC, polyolefins, engineering plastics, coatings |
| Key Features | High thermal stability, low migration, excellent dispersion |
| Benefits | Consistent shade match, long-term color retention, process robustness |
| Regulatory Compliance | REACH registered; compliant with EU Directive 2002/72/EC for food-contact plastics (subject to specific conditions) |
Q1: What is the primary chemical class and typical application of Hostasol GG 63?
A: Hostasol GG 63 is a high-performance, solvent-soluble azo pigment designed primarily for coloration of thermoplastic polymers—especially polyolefins such as PP and PE—during masterbatch production and direct compounding. It is also widely used in coatings and inks where good heat stability and dispersibility are required.
Q2: What are the key processing advantages of Hostasol GG 63 in polymer compounding?
A: This pigment offers excellent thermal stability up to typical polyolefin processing temperatures, good melt dispersibility without agglomeration, and low volatility during extrusion or injection molding. Its molecular structure supports consistent color development and minimal plate-out in high-output operations.
Q3: How should Hostasol GG 63 be dispersed for optimal performance in masterbatches?
A: For best results, dispersion is typically achieved using high-shear compounding equipment—such as twin-screw extruders—with optimized temperature profiles and residence time. Pre-wetting with compatible carrier resins or process aids may enhance wetting and reduce dispersion time. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight in final polymer applications.
Q4: Is Hostasol GG 63 suitable for food-contact or regulatory-sensitive applications?
A: Hostasol GG 63 is not pre-approved for food-contact use under major global frameworks (e.g., FDA 21 CFR or EU Plastics Regulation). Customers intending use in regulated applications must conduct full compliance verification—including migration testing and supplier documentation review—based on their specific end-use conditions and regional requirements.
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E-mail: wangxingqiang@ericwchem.com
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