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High thermal stability up to 800°C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Non-toxic composition compliant with EN 71-3 and RoHS directives for safe use in consumer-facing products.
Superior chemical inertness—resistant to acids, alkalis, and solvents commonly encountered in industrial coatings.
Consistent particle size distribution ensuring uniform dispersion and optimal tinting strength in pigment systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural and industrial coatings requiring durable red hues.
Plastic coloration for outdoor applications including automotive trim and construction profiles.
Enamel coatings on metal substrates such as cookware, signage, and appliances.
Specialty inks for heat-resistant packaging and decorative printing on glass or metal.
| Chemical Type | Complex metal oxide (Fe–Cr–Al spinel-based) |
| Product Form | Free-flowing dry powder |
| Appearance | Granular, bright brick-red powder |
| Primary Applications | Ceramics, enamels, high-temp coatings, engineering plastics |
| Key Features | Heat stability, non-volatility, low heavy metal content |
| Benefits | Color consistency across batches, minimal migration in polymer matrices |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and strong oxidizers |
| Regulatory Compliance | REACH registered; meets ISO 10128 for inorganic pigments |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RS11?
A: Cathay CATHAYCOAT Red RS11 is a high-performance inorganic pigment based on modified iron oxide and complex metal oxide chemistry, engineered for enhanced thermal stability and color consistency in demanding coating systems.
Q2: Is this pigment suitable for high-temperature curing applications, such as powder coatings or coil coatings?
A: Yes — RS11 is specifically formulated to retain its red hue and dispersion integrity at elevated processing temperatures, making it well-suited for thermoset powder coatings, pre-treatment primers, and continuous coil coating lines where thermal exposure exceeds 180°C.
Q3: How does RS11 compare to organic red pigments in terms of weathering resistance?
A: As an inorganic pigment, RS11 offers significantly superior UV stability and long-term color retention compared to most organic reds, especially in exterior architectural and industrial maintenance coatings exposed to prolonged sunlight and moisture.
Q4: Can RS11 be used in water-based coating systems without compromising dispersion stability?
A: Yes — RS11 is surface-treated to ensure good compatibility and stable dispersion in both water-based acrylic and polyurethane dispersions, though optimal performance requires appropriate dispersant selection and milling protocols during formulation.
Q5: What is the typical dosage range for RS11 in industrial coating formulations?
A: Dosage depends on the required opacity, chroma, and substrate coverage, but RS11 is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in finished coating systems.
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