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High chroma, intense red shade with excellent bluish-red undertone for vibrant color reproduction.
Outstanding lightfastness and weather resistance suitable for demanding outdoor applications.
Excellent thermal stability up to 250 °C, enabling compatibility with high-temperature polymer processing.
Good dispersibility in both polar and non-polar thermoplastic matrices including polyolefins and engineering plastics.
Compliant with major global regulatory frameworks including EU REACH and US FDA 21 CFR for indirect food contact applications.
Polypropylene (PP) and polyethylene (PE) packaging films requiring high-color-strength red hues.
Automotive interior components such as dashboards, trim parts, and air vents.
Household appliances including housings, control panels, and decorative overlays.
Technical injection-molded parts for industrial equipment and consumer electronics enclosures.
Masterbatch formulations for fiber and filament coloring in synthetic textiles.
| Chemical Type | Organic pigment dispersion (quinacridone derivative) |
| Product Form | Ready-to-use liquid color paste |
| Appearance | Viscous, homogeneous red paste |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | High tinctorial strength, low migration, heat stable |
| Benefits | Consistent batch-to-batch color accuracy, low dusting risk, easy handling |
| Recommended Carrier | Polyolefin-based carrier system |
| Storage Conditions | Store at 10–30 °C, protect from freezing and direct sunlight |
Q1: What is the primary application field for Hostafine Rubine F6B Color Paste?
A: Hostafine Rubine F6B is a high-performance organic pigment-based color paste primarily used in demanding industrial coating systems, including coil coatings, automotive refinishes, and general industrial finishes where excellent lightfastness, gloss retention, and dispersion stability are required.
Q2: Is this color paste suitable for waterborne systems?
A: Yes, Hostafine Rubine F6B is formulated for compatibility with both solvent-borne and waterborne industrial coating systems. Its rheology and stabilization system support stable dispersion in aqueous media, though optimal performance requires appropriate formulation adjustments and dispersant selection.
Q3: How should Hostafine Rubine F6B be incorporated into a coating formulation?
A: It is recommended to add the paste during the let-down or grinding stage using high-shear mixing. Pre-dilution with a compatible carrier solvent or resin solution may improve incorporation efficiency. Final dosage typically depends on formulation requirements but generally ranges from 0.1% to 2% by weight relative to total formulation solids.
Q4: Does this product contain heavy metals or restricted aromatic amines?
A: Hostafine Rubine F6B is manufactured without intentionally added heavy metals and complies with Clariant’s internal specifications regarding azo dye cleavage. It is not derived from listed aromatic amines under current global regulatory frameworks for colorants in industrial applications.
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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
