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High thermal stability up to 800 °C, maintaining color integrity under demanding processing conditions.
Excellent lightfastness and weather resistance, ensuring long-term color retention in outdoor applications.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion performance in aqueous and solvent-based systems, reducing grinding time and energy consumption.
Consistent batch-to-batch color reproducibility supported by strict in-house quality control and ISO-certified manufacturing.
Ceramic glazes and frits for architectural tiles and tableware.
High-performance coatings for industrial equipment and infrastructure.
Coloration of concrete, mortar, and precast building elements.
Plastic masterbatches for automotive interior components and construction profiles.
Specialty inks for heat-set offset and ceramic decal printing.
| Chemical Type | Complex iron oxide-based inorganic pigment (spinel structure) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform reddish-brown powder with no visible grit or agglomerates |
| Primary Applications | Ceramics, architectural coatings, concrete colorants, engineering plastics |
| Key Features | Heat stable, UV resistant, chemically inert, alkali resistant |
| Benefits | Low dosage requirement, high tinting strength, non-flocculating |
| Storage Conditions | Store in cool, dry, well-ventilated area; protect from moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture under recommended storage conditions |
Q1: What is the primary chemical composition of Cathay FERROTINT Brown F8661?
A: Cathay FERROTINT Brown F8661 is an iron oxide-based inorganic pigment, primarily composed of complex mixed-phase iron oxides and hydroxides, engineered for consistent brown hue, high thermal stability, and low solubility in common industrial media.
Q2: Is this pigment suitable for use in high-temperature polymer processing, such as polypropylene or engineering thermoplastics?
A: Yes — F8661 exhibits excellent thermal stability and is widely used in thermoplastic compounding processes, including injection molding and extrusion of polyolefins and engineering resins, without significant hue shift or degradation up to typical processing temperatures.
Q3: How does F8661 perform in acidic or alkaline environments, such as in cementitious or plaster-based architectural coatings?
A: As a robust inorganic oxide pigment, F8661 demonstrates good resistance to both mild acidic and alkaline conditions, making it well-suited for mineral-based construction materials including render, stucco, and Portland cement systems.
Q4: Can this pigment be dispersed effectively using standard industrial equipment?
A: Yes — F8661 is designed for efficient dispersion in aqueous and solvent-based systems using conventional high-shear mixers, bead mills, or dissolvers. Optimal dispersion typically requires appropriate wetting agents and process time tailored to the specific vehicle and target viscosity.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
