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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, heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion performance in aqueous and solvent-based systems with low oil absorption (18–22 g/100g).
Consistent batch-to-batch color strength and hue, ensured by strict ISO 9001-certified manufacturing controls.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural coatings requiring long-term exterior durability.
Plastic coloration for automotive interior components and food-contact packaging (subject to local compliance verification).
Colored concrete and cementitious products for façade and paving applications.
Industrial powder coatings for metal furniture, fixtures, and outdoor equipment.
| Chemical Type | Complex mixed-metal oxide (Fe–Zn–Cr spinel-based) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing orange-red powder with uniform particle size distribution |
| Primary Applications | Ceramics, architectural coatings, plastics, concrete, powder coatings |
| Key Features | Heat resistant, UV stable, non-volatile, chemically inert in alkaline media |
| Benefits | Reduced formulation complexity, extended service life, regulatory compliance support |
| Particle Size (D50) | 0.8–1.2 μm (laser diffraction) |
| pH (5% aqueous slurry) | 6.5–7.5 |
Q1: What is the primary chemical composition of Cathay FERROTINT Orange F6400?
A: Cathay FERROTINT Orange F6400 is an iron oxide-based inorganic pigment, primarily composed of complex mixed-phase iron oxides and hydroxides, engineered for high chroma orange hue and excellent thermal stability.
Q2: Is this pigment suitable for use in heat-sensitive polymer systems such as polyolefins or PVC?
A: Yes — F6400 exhibits strong thermal stability and is widely used in thermoplastic and thermoset applications, including polyolefins, PVC, and engineering plastics processed at temperatures up to 280°C without significant hue shift or degradation.
Q3: How does F6400 compare to organic orange pigments in terms of weather resistance and lightfastness?
A: As an inorganic pigment, F6400 delivers significantly superior UV resistance, lightfastness, and atmospheric stability compared to most organic orange alternatives, making it preferred for exterior applications and long-term color retention requirements.
Q4: Can F6400 be dispersed effectively in water-based coating systems?
A: Yes — with appropriate dispersing agents and pH control, F6400 achieves stable dispersion in aqueous architectural coatings, industrial waterborne paints, and ink formulations, though optimization of milling and stabilization is recommended for target rheology and gloss performance.
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