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High chroma, brilliant red shade with excellent lightfastness in demanding applications.
Optimized for outstanding dispersion stability in water-based and solvent-based systems.
Low volatile organic compound (VOC) content, supporting sustainable formulation requirements.
Consistent batch-to-batch color reproducibility and rheological performance.
Compatible with common acrylic, polyester, and alkyd resin systems.
Automotive refinish coatings (basecoat and clearcoat systems).
Industrial maintenance and coil coatings.
Architectural and decorative waterborne paints.
Plastic coloration for interior automotive components.
Wood finishes requiring high-gloss, fade-resistant red tones.
| Chemical Type | Organic pigment dispersion (quinacridone derivative) |
| Product Form | Liquid color paste |
| Appearance | Viscous, homogeneous red paste |
| Primary Applications | Waterborne and solventborne industrial coatings, automotive refinish |
| Key Features | High transparency, excellent jetness, good heat stability up to 180°C |
| Benefits | Reduced formulation complexity, improved tinting strength, low filter cake residue |
| VOC Content | <50 g/L (as per ASTM D6886) |
| Storage Stability | 12 months at 15–25°C in sealed original container |
Q1: What is the primary application field for Hostafine Rubine F6B 31?
A: Hostafine Rubine F6B 31 is a high-performance organic color paste specifically developed for coloring polyolefins—especially PP and PE—in demanding applications such as thin-walled packaging, fibers, and technical injection-molded parts where excellent heat stability and dispersion are required.
Q2: How does this color paste perform under high-temperature processing conditions?
A: Hostafine Rubine F6B 31 exhibits very good thermal stability, enabling consistent color performance during extrusion, injection molding, and fiber spinning at typical polyolefin processing temperatures. Its formulation minimizes color shift and degradation even under extended residence times.
Q3: Is this product suitable for food-contact applications?
A: Hostafine Rubine F6B 31 is designed to meet regulatory requirements for food-contact plastics in major global markets, subject to compliance with applicable local regulations and final formulation validation. Customers must verify suitability for their specific end-use and processing conditions.
Q4: What is the recommended dosage range for optimal coloration?
A: Dosage depends on the desired shade intensity and base polymer characteristics, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in the final compound—due to its high tinctorial strength and efficient dispersion.
Q5: How should this color paste be stored and handled to maintain stability?
A: Store in original sealed containers at temperatures between 5°C and 30°C, away from direct sunlight and sources of heat or moisture. Ensure adequate ventilation during handling, and avoid freezing. Stir gently before use if sedimentation occurs after prolonged storage.
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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
