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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 major global regulatory frameworks including REACH and RoHS.
Superior chemical inertness—resistant to acids, alkalis, and solvents commonly used in industrial coatings.
Consistent particle size distribution ensuring uniform dispersion and optimal opacity in pigment systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance enamel coatings for domestic appliances and industrial metal substrates.
Colorants in refractory materials and fire-resistant building components.
Pigmentation of inorganic-based architectural mortars and façade renderings.
Functional coloring agent in heat-resistant plastics for automotive under-hood components.
| Chemical Type | Mixed-metal oxide (iron-chromium-cobalt spinel) |
| Product Form | Free-flowing fine powder |
| Appearance | Deep brick-red powder with matte finish |
| Primary Applications | Ceramics, enamels, refractories, architectural mortars |
| Key Features | Thermal stability, UV resistance, non-volatility, pH neutrality |
| Benefits | No blooming, minimal batch variation, low oil absorption (~18 g/100g) |
| Storage Conditions | Keep in dry, cool, well-ventilated area; avoid moisture absorption |
| Shelf Life | 36 months from date of manufacture when stored properly |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RS12?
A: Cathay CATHAYCOAT Red RS12 is an iron oxide-based inorganic pigment, formulated with a stabilized hematite (α-Fe₂O₃) crystal structure. Its composition may include minor, controlled amounts of dopants or surface treatments to enhance thermal stability and dispersion performance.
Q2: Is this pigment suitable for high-temperature coating applications?
A: Yes — as a thermally stable inorganic pigment, Red RS12 maintains its color integrity and chemical inertness under typical industrial baking conditions up to approximately 800 °C, making it well-suited for coil coatings, ceramic glazes, and high-heat-resistant industrial finishes.
Q3: How does Red RS12 perform in acidic or alkaline environments?
A: Due to its robust inorganic lattice and optional surface stabilization, Red RS12 exhibits good resistance to both mildly acidic and alkaline media commonly encountered in architectural paints, cementitious systems, and protective coatings—though prolonged exposure to strong mineral acids should be avoided.
Q4: Can Red RS12 be used in water-based systems without significant dispersion challenges?
A: Yes — Red RS12 is designed for compatibility with aqueous dispersions and can be readily incorporated into waterborne acrylics, latexes, and silicate-based binders using standard wetting and dispersing agents. Optimal dispersion typically requires moderate shear and pH control within the stable range of the formulation.
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