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Excellent thermal stability up to 800°C, suitable for high-temperature ceramic and enamel applications.
High chroma and consistent yellow hue with outstanding lightfastness and weather resistance.
Low solubility in acidic and alkaline media, ensuring color stability in aggressive chemical environments.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Fine particle size distribution enabling smooth dispersion and superior opacity in matrix systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance industrial coatings for automotive and appliance finishes.
Coloration of vitreous enamels used on metal substrates such as cookware and signage.
Heat-resistant plastics requiring stable color retention above 200°C.
Specialty inks for glass and metal decoration requiring firing compatibility.
| Chemical Type | Mixed Metal Oxide (Zinc Iron Chromite-based) |
| Product Form | Free-flowing dry powder |
| Appearance | Yellow to greenish-yellow granular powder |
| Primary Applications | Ceramics, enamels, high-temp coatings, heat-stable plastics |
| Key Features | Thermal stability, acid/alkali resistance, non-toxicity, low volatility |
| Benefits | Consistent batch-to-batch color, minimal sintering shrinkage, easy dispersion |
| Density (g/cm³) | 4.2–4.6 |
| Particle Size (D50, μm) | 1.8–2.5 |
Q1: What is the primary chemical composition of Cathay FLOWTINT Yellow FF5100?
A: Cathay FLOWTINT Yellow FF5100 is a high-performance inorganic yellow pigment based on a modified iron oxide–zinc oxide composite system, engineered for thermal stability and consistent chromatic performance in demanding polymer processing environments.
Q2: Is this pigment suitable for food-contact plastics?
A: Cathay FLOWTINT Yellow FF5100 is formulated to meet general regulatory expectations for non-food-contact applications. For food-contact use, final compliance depends on the complete formulation, processing conditions, and applicable regional regulations—users must conduct full regulatory validation prior to commercial deployment.
Q3: How does FF5100 perform under high-temperature processing, such as injection molding or extrusion?
A: This pigment exhibits excellent thermal stability, retaining its color integrity and dispersion characteristics during standard polymer processing up to approximately 280 °C, making it well-suited for polyolefins, engineering thermoplastics, and other high-melt-index systems.
Q4: What is the recommended method for incorporating FF5100 into polymer masterbatches?
A: For optimal dispersion, FF5100 is typically pre-compounded using high-shear melt mixing—such as twin-screw extrusion—with compatible carrier resins. Pre-wetting with process oils or dispersing aids may be beneficial depending on the base polymer and target loading level.
Q5: Does FF5100 require surface treatment for improved compatibility with hydrophobic polymers?
A: Yes—FF5100 is supplied with a proprietary inorganic/organic hybrid surface treatment designed to enhance wetting, reduce agglomeration, and improve interfacial adhesion in non-polar matrices like PP, PE, and PS.
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