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High thermal stability up to 800 °C, ensuring color integrity during high-temperature processing.
Excellent lightfastness and weather resistance, maintaining vibrant yellow hue 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 without requiring additional dispersants.
Consistent particle size distribution for uniform color development and minimal batch-to-batch variation.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance industrial coatings for automotive refinish and coil coating applications.
Coloration of construction materials including concrete, stucco, and terrazzo.
Plastic coloring for engineering thermoplastics such as polypropylene and polyester used in outdoor applications.
Specialty inks for heat-transfer printing and ceramic decal printing.
| Chemical Type | Complex iron oxide-based inorganic pigment (Fe₂O₃–Cr₂O₃–NiO system) |
| Product Form | Free-flowing dry powder |
| Appearance | Yellow to yellowish-brown fine powder |
| Primary Applications | Ceramics, industrial coatings, construction materials, engineering plastics |
| Key Features | Heat stable, UV resistant, chemically inert, non-volatile |
| Benefits | Color consistency, low abrasivity, pH-stable in alkaline environments |
| Recommended Loading Range | 1–8 wt% depending on substrate and opacity requirement |
| Storage Conditions | Store in cool, dry, well-ventilated area; avoid moisture absorption |
Q1: What is the primary chemical composition of Cathay FERROTINT Yellow F5050?
A: Cathay FERROTINT Yellow F5050 is an iron oxide-based inorganic pigment, primarily composed of hydrated iron(III) oxide (Fe₂O₃·nH₂O) with controlled crystallinity and particle morphology to deliver consistent yellow hue and high opacity.
Q2: Is this pigment suitable for use in food-contact plastics or coatings?
A: Cathay FERROTINT Yellow F5050 is not certified for direct food-contact applications. It is intended for general industrial uses including architectural coatings, construction materials, and non-food-related plastics. Regulatory compliance must be verified case-by-case per end-use jurisdiction and substrate.
Q3: How does F5050 compare to organic yellow pigments in terms of heat stability?
A: As an inorganic iron oxide pigment, F5050 offers significantly higher thermal stability than most organic yellows—typically remaining stable up to at least 250 °C in air, making it suitable for high-temperature processing such as extrusion, baking enamels, and ceramic glaze applications.
Q4: What dispersion methods are recommended for optimal performance in water-based systems?
A: For water-based formulations, pre-dispersion using high-shear mixing followed by stabilization with compatible anionic or nonionic dispersants is recommended. Ball milling or bead milling may be employed for demanding applications requiring fine particle distribution and maximum color strength.
Q5: Can F5050 be used in alkaline environments such as cementitious mortars or concrete?
A: Yes—FERROTINT Yellow F5050 exhibits excellent alkali resistance and is widely used in cement, concrete, and stucco applications where long-term color stability under highly alkaline conditions is required.
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