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High thermal stability up to 1000°C, suitable for high-temperature ceramic and refractory applications.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Chemically inert with outstanding acid and alkali resistance, ensuring compatibility in aggressive formulation environments.
Low oil absorption and fine particle size distribution for smooth dispersion and high tinting strength.
Non-toxic, heavy-metal-free composition compliant with REACH and RoHS regulatory requirements.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance refractory coatings used in kiln furniture and furnace linings.
Colorants for vitreous enamels on metal substrates (e.g., appliances, signage).
Pigmentation of specialty concrete and terrazzo systems requiring heat and fade resistance.
Functional fillers in high-temperature polymer composites and engineering plastics.
| Chemical Type | Calcium Iron Manganate-based Complex Inorganic Colored Pigment (CICP) |
| Product Form | Free-flowing dry powder |
| Appearance | Brilliant brick-red granular powder |
| Primary Applications | Ceramics, enamels, refractories, architectural concrete |
| Key Features | Thermal stability, UV resistance, chemical inertness, low solubility |
| Benefits | Color consistency at high firing temperatures, minimal batch variation, easy wet/dry dispersion |
| Regulatory Compliance | REACH registered, RoHS compliant, non-hazardous per GHS classification |
| Shelf Life | 36 months in original sealed packaging under dry, cool conditions |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RA11A?
A: Cathay CATHAYCOAT Red RA11A is an iron oxide–based inorganic pigment, formulated to deliver high chroma red coloration with excellent thermal and chemical stability. Its composition is optimized for opacity, lightfastness, and compatibility in demanding industrial coating systems.
Q2: Is RA11A suitable for use in high-temperature curing applications, such as coil coatings or powder coatings?
A: Yes — RA11A is specifically engineered for thermal stability and retains its color integrity during standard industrial baking cycles, including those exceeding 200 °C. It is widely used in coil-coated metal and thermoset powder coating formulations where pigment decomposition must be avoided.
Q3: How does RA11A perform in terms of UV resistance and weathering stability?
A: As a fully inorganic oxide pigment, RA11A exhibits outstanding resistance to UV radiation and atmospheric degradation. It shows minimal fading or chalking under prolonged outdoor exposure, making it well-suited for exterior architectural coatings and automotive refinishing systems.
Q4: Can RA11A be dispersed in both water-based and solvent-based coating systems?
A: Yes — RA11A is surface-treated to ensure good wettability and dispersion stability across a broad range of media, including acrylic and epoxy emulsions, alkyd varnishes, and polyurethane solvent blends. Optimal dispersion typically requires high-shear mixing and may benefit from compatible dispersing additives.
Q5: What is the typical dosage range for RA11A in industrial coating formulations?
A: Dosage depends on the required color strength, film thickness, and substrate opacity, but RA11A is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight in the final formulation. Its high tinting strength allows efficient color development without compromising rheology or film integrity.
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