High thermal stability up to 800 °C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and weather resistance, ensuring long-term color retention under UV exposure.
Non-toxic and heavy-metal-free formulation, compliant with global regulatory standards including RoHS and REACH.
Consistent particle size distribution for uniform dispersion and optimal tinting strength in demanding matrices.
Chemically inert in alkaline and mildly acidic environments, enhancing compatibility with cementitious and plaster systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
Architectural concrete, terrazzo, and precast concrete elements requiring durable brown hues.
High-performance coatings for industrial equipment and exterior building facades.
Enamels for metal substrates including cookware, signage, and HVAC components.
Plaster, stucco, and mineral-based renders for sustainable construction materials.
| Chemical Type | Complex iron oxide-based inorganic pigment (Fe₂O₃–Mn–Cr–Al spinel structure) |
| Product Form | Fine, free-flowing powder |
| Appearance | Uniform reddish-brown to dark brown powder |
| Primary Applications | Ceramics, concrete, coatings, enamels, and mineral plasters |
| Key Features | Thermal stability, lightfastness, chemical inertness, non-toxicity |
| Benefits | Color consistency, low dosage requirement, no migration or bleeding |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and direct sunlight |
| Regulatory Compliance | REACH registered; RoHS compliant; non-hazardous per GHS classification |
Q1: What is the primary chemical composition of Cathay FERROTINT Brown F8660?
A: Cathay FERROTINT Brown F8660 is an iron oxide-based inorganic pigment, primarily composed of complex mixed-phase iron oxides and hydroxides, engineered to deliver consistent brown hue, high opacity, and excellent thermal stability.
Q2: Is this pigment suitable for use in high-temperature polymer processing, such as polypropylene or engineering thermoplastics?
A: Yes — F8660 exhibits strong thermal stability and is widely used in thermoplastic applications processed above 200 °C, including injection molding and extrusion of polyolefins and engineering resins, without significant color shift or degradation.
Q3: How does F8660 perform in terms of UV resistance and weathering stability?
A: As a fully inorganic iron oxide pigment, F8660 offers outstanding UV resistance and long-term outdoor durability, making it well-suited for exterior coatings, architectural concrete, and weather-exposed plastic applications.
Q4: Can F8660 be dispersed effectively in water-based systems such as architectural paints or cementitious slurries?
A: Yes — F8660 is readily dispersible in both aqueous and solvent-based media. For water-based systems, standard dispersion techniques with appropriate surfactants or dispersing agents are recommended to achieve optimal color development and suspension stability.
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