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High thermal stability up to 1000°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 global regulatory standards including EN 71-3 and RoHS.
Consistent particle size distribution ensuring uniform dispersion and optimal opacity in coatings and glazes.
Chemically inert in alkaline and acidic environments, enhancing compatibility with diverse binder systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance industrial coatings for automotive and appliance components.
Coloration of vitreous enamels used on metal substrates such as cookware and signage.
Specialty inks for heat-transfer printing on polyester and polyamide textiles.
Pigmentation of refractory mortars and fireproofing materials.
| Chemical Type | Mixed-metal oxide (Fe-Cr-Mn spinel) |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant reddish-brown granular powder |
| Primary Applications | Ceramics, enamels, high-temperature coatings, refractories |
| Key Features | Thermal stability, UV resistance, non-volatility, pH stability |
| Benefits | No blooming, minimal batch variation, low heavy metal content |
| Density (g/cm³) | 4.2–4.6 |
| Particle Size (D50, µm) | 1.8–2.4 |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RC19C?
A: Cathay CATHAYCOAT Red RC19C is a high-performance inorganic red pigment based on modified iron oxide and mixed metal oxides, engineered for enhanced thermal stability and chromatic strength in demanding coating applications.
Q2: Is RC19C suitable for use in heat-cured industrial coatings?
A: Yes — RC19C is specifically formulated to retain color integrity and dispersion stability at elevated temperatures, making it well-suited for baked enamel systems and other thermoset coating processes commonly used in automotive and appliance finishes.
Q3: How does RC19C compare to organic red pigments in terms of weather resistance?
A: As an inorganic pigment, RC19C offers significantly superior UV stability and long-term color retention compared to most organic reds, especially under prolonged outdoor exposure or aggressive environmental conditions.
Q4: What types of binder systems is RC19C compatible with?
A: RC19C demonstrates broad compatibility with common industrial resins including acrylics, alkyds, epoxies, polyurethanes, and polyester-based systems — both solvent-borne and water-borne formulations.
Q5: What is the typical dosage range for RC19C in coating formulations?
A: Dosage depends on the desired opacity, shade intensity, and application method, but RC19C is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in the final coating formulation.
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