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High chroma red shade with excellent batch-to-batch color consistency.
Optimized for high transparency and clean hue in transparent polymer systems.
Excellent thermal stability up to 280 °C, suitable for demanding processing conditions.
Good dispersibility in polyolefins, PET, and engineering plastics without agglomeration.
Compliant with major global food contact regulations (EU 10/2011, FDA 21 CFR §178.3297).
Polypropylene (PP) and polyethylene (PE) packaging films and containers.
Transparent PET bottles and thermoformed trays for food and beverage packaging.
Automotive interior trim requiring high-gloss, fade-resistant red tones.
Household appliances and consumer electronics housings.
Medical device components where color stability and regulatory compliance are critical.
| Chemical Type | Organic pigment dispersion (quinacridone-based) |
| Product Form | Ready-to-use liquid color paste |
| Appearance | Viscous, homogeneous red paste |
| Primary Applications | Polyolefins, PET, polycarbonate, ABS |
| Key Features | High transparency, thermal stability, regulatory compliance |
| Benefits | Reduced dosing variability, simplified compounding, low dust generation |
| Recommended Carrier | Mineral oil and polyolefin-compatible carrier system |
| Storage Conditions | Store at 10–30 °C; protect from freezing and direct sunlight |
Q1: What types of polymers is Hostafine Red F5RK Color Paste compatible with?
A: Hostafine Red F5RK Color Paste is formulated for compatibility with a broad range of thermoplastics, including polyolefins (PP, PE), styrenics (PS, ABS), and engineering plastics such as PA and PC. Performance in specific polymer systems should be verified through lab-scale trials due to formulation-dependent interactions.
Q2: How is this color paste typically dosed in plastic compounds?
A: Dosage depends on the desired shade intensity and base resin characteristics, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight. Optimal loading should be determined experimentally to balance color strength, dispersion quality, and processing stability.
Q3: Does Hostafine Red F5RK offer good thermal stability during extrusion or injection molding?
A: Yes, Hostafine Red F5RK is engineered for high thermal stability and maintains color integrity under standard polymer processing conditions, including melt compounding and injection molding up to typical temperatures for polyolefins and styrenics. For extended residence times or higher-temperature engineering resins, evaluation under actual process conditions is recommended.
Q4: Is this product suitable for applications requiring food-contact compliance?
A: Hostafine Red F5RK Color Paste is not pre-certified for food-contact use. Its suitability for food-contact applications depends on the final formulation, processing conditions, and regulatory requirements of the target market. Customers must conduct full regulatory assessment—including migration testing where applicable—and obtain appropriate documentation from Clariant upon request.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
