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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.
Consistent batch-to-batch color reproducibility and narrow hue tolerance (ΔE ≤ 1.0 vs. master standard).
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural coatings requiring long-term color retention.
Plastic coloration for outdoor applications including PP, PE, and engineering thermoplastics.
Colored concrete, terrazzo, and precast cementitious products.
Industrial powder coatings exposed to elevated temperatures and harsh environments.
| Chemical Type | Complex iron-based mixed metal oxide |
| Product Form | Fine dry powder |
| Appearance | Free-flowing orange-red powder |
| Primary Applications | Ceramics, architectural coatings, plastics, concrete, powder coatings |
| Key Features | Heat stable, lightfast, non-toxic, low oil absorption |
| Particle Size (D50) | 0.8–1.2 µm |
| Bulk Density | 1.8–2.1 g/cm³ |
| pH (10% aqueous suspension) | 6.5–7.5 |
Q1: What is the primary chemical composition of Cathay FERROTINT Orange F6650?
A: Cathay FERROTINT Orange F6650 is an iron oxide-based inorganic pigment, formulated as a complex mixed-metal oxide system designed to deliver stable orange hue and high thermal stability. It does not contain heavy metals such as lead, cadmium, or chromium(VI).
Q2: Is this pigment suitable for use in heat-sensitive polymer systems such as polyolefins or PVC?
A: Yes — F6650 exhibits excellent thermal stability and is widely used in thermoplastic and thermoset applications, including polypropylene, polyethylene, and rigid PVC, where processing temperatures range up to 240°C. Its inorganic nature ensures minimal color shift during extrusion or injection molding.
Q3: How does F6650 perform under UV exposure and outdoor weathering conditions?
A: As a fully inorganic oxide pigment, F6650 offers outstanding UV resistance and lightfastness. It maintains color integrity and shows negligible fading or chalking in exterior applications, making it well-suited for architectural coatings, plastic building profiles, and agricultural films.
Q4: Can F6650 be dispersed effectively in water-based systems?
A: Yes — with appropriate surface treatment and standard dispersion protocols (e.g., high-shear mixing or bead milling), F6650 achieves stable, uniform dispersion in aqueous media such as latex paints, waterborne industrial coatings, and ink formulations.
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