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High thermal stability up to 600 °C, suitable for high-temperature processing applications.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
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, enabling uniform color development.
Chemically inert and alkali-resistant, ensuring compatibility with cementitious and alkaline coatings.
Architectural concrete and precast concrete products.
Cement-based tile adhesives and grouts.
Exterior stucco and mineral plasters.
High-performance ceramic glazes (low-fire range).
Industrial powder coatings requiring heat stability.
| Chemical Type | Complex iron oxide-based inorganic pigment |
| Product Form | Fine dry powder |
| Appearance | Yellow-brown free-flowing powder |
| Primary Applications | Concrete, mortar, plaster, ceramic glazes, powder coatings |
| Key Features | Heat stable, UV resistant, alkali stable, non-toxic |
| Benefits | Color consistency, low dosage requirement, minimal impact on setting time |
| Storage Conditions | Store in dry, cool, well-ventilated area; protect from moisture |
| Regulatory Compliance | Meets EN 71-3, RoHS Directive, and REACH SVHC criteria |
Q1: What is the primary chemical composition of Cathay FERROTINT Yellow F5500?
A: Cathay FERROTINT Yellow F5500 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 thermal stability.
Q2: Is this pigment suitable for use in high-temperature polymer processing, such as polypropylene or engineering thermoplastics?
A: Yes — F5500 exhibits excellent thermal stability and retains its color integrity during melt processing of polyolefins and other common thermoplastics, making it well-suited for applications requiring processing temperatures up to approximately 280°C.
Q3: How does F5500 compare to organic yellow pigments in terms of weather resistance and UV stability?
A: As an inorganic iron oxide pigment, F5500 offers significantly superior lightfastness, UV resistance, and long-term outdoor durability compared to most organic yellow pigments — especially under prolonged exposure to sunlight and atmospheric conditions.
Q4: Can F5500 be used in water-based coatings and cementitious systems?
A: Yes — F5500 is inherently compatible with alkaline environments and demonstrates good dispersion stability in water-based architectural coatings, stucco, and concrete coloration systems without significant flocculation or color shift.
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