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High thermal stability up to 800°C, suitable for high-temperature ceramic and enamel applications.
Excellent chemical resistance against acids, alkalis, and solvents in demanding industrial environments.
Consistent batch-to-batch color reproducibility with low chromatic variation (ΔE < 0.8).
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including RoHS and REACH.
Optimized particle size distribution for enhanced dispersion stability in aqueous and solvent-based systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural and industrial coatings requiring long-term UV and weather resistance.
Coloring agents for vitreous enamels used on appliances, cookware, and metal substrates.
Pigmentation of refractory materials and fireproofing composites.
Functional coloring in specialty plastics where thermal processing exceeds 300°C.
| Chemical Type | Calcium Molybdate-Based Complex Inorganic Colored Pigment |
| Product Form | Fine Dry Powder |
| Appearance | Brilliant Red Powder with Uniform Granularity |
| Primary Applications | Ceramics, Enamels, High-Temperature Coatings, Refractories |
| Key Features | Heat Stability, Lightfastness, Acid/Alkali Resistance, Non-Volatile |
| Benefits | Color Consistency, Regulatory Compliance, Low Dust Generation, Easy Dispersion |
| Density (g/cm³) | 4.2–4.5 |
| Moisture Content (wt%) | ≤0.5 |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RA11AB?
A: Cathay CATHAYCOAT Red RA11AB is a high-performance inorganic red pigment based on a stabilized iron oxide–chromium oxide composite system, engineered for enhanced thermal stability and color consistency in demanding industrial applications.
Q2: Is this pigment suitable for use in high-temperature coating systems such as coil coatings or powder coatings?
A: Yes — RA11AB is specifically formulated to retain its chromatic integrity and dispersion stability at processing temperatures up to 250 °C, making it well-suited for coil coatings, architectural powder coatings, and other thermally cured systems.
Q3: How does RA11AB compare to organic red pigments in terms of weathering resistance?
A: As an inorganic pigment, RA11AB offers significantly superior UV resistance, chalking resistance, and long-term color retention compared to most organic reds — particularly under prolonged outdoor exposure or aggressive industrial environments.
Q4: What is the recommended method for incorporating RA11AB into water-based versus solvent-based systems?
A: For optimal dispersion, pre-wetting with compatible surfactants or dispersing agents is advised. In water-based systems, use non-ionic or anionic stabilizers; in solvent-based systems, low-molecular-weight polymeric dispersants are typically preferred. Milling time and energy input should be adjusted based on the base resin viscosity and target fineness.
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