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High thermal stability suitable for processing temperatures up to 700°C.
Excellent lightfastness and weather resistance, maintaining color integrity under 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 without requiring additional dispersants.
Consistent batch-to-batch color reproducibility ensured by stringent ISO 9001-certified manufacturing control.
Ceramic glazes and frits for tableware and architectural tiles.
High-performance coatings for industrial equipment and exterior building façades.
Coloration of refractory materials including firebricks and kiln furniture.
Pigmentation of glass enamels and low-melting-point specialty glasses.
Additive in thermoset plastics for automotive under-hood components requiring heat resistance.
| Chemical Type | Complex iron oxide-based inorganic pigment (Fe₂O₃–ZnO–SiO₂ system) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing yellow-orange powder with uniform particle distribution |
| Primary Applications | Ceramics, glass, refractories, high-temperature coatings, engineering plastics |
| Key Features | Heat stable, non-volatile, chemically inert, pH-stable (pH 4–11) |
| Benefits | No blooming or migration; retains opacity and chroma after firing or extrusion |
| Storage Conditions | Store in cool, dry, well-ventilated area away from direct sunlight and moisture |
| Regulatory Compliance | Compliant with REACH, FDA 21 CFR 178.3290 (indirect food contact), and AP(89)1 |
Q1: What is the primary chemical composition of Cathay FERROTINT Yellow F5100?
A: Cathay FERROTINT Yellow F5100 is an inorganic iron oxide-based yellow pigment, primarily composed of hydrated iron(III) oxide (Fe₂O₃·nH₂O), formulated to deliver high chroma, thermal stability, and lightfastness typical of premium-grade synthetic iron oxides.
Q2: Is this pigment suitable for use in food-contact plastics or coatings?
A: Cathay FERROTINT Yellow F5100 is not certified for direct food-contact applications. It is intended for industrial and decorative uses where regulatory compliance with food safety standards is not required. For food-contact systems, please consult our dedicated food-grade pigment portfolio and verify suitability with your regulatory team.
Q3: How does F5100 perform under elevated temperature conditions, such as during polymer processing?
A: This pigment exhibits excellent thermal stability and retains its color integrity up to approximately 300°C, making it suitable for standard thermoplastic processing methods including extrusion and injection molding — provided residence time and shear conditions remain within typical industrial parameters.
Q4: What dispersion methods are recommended for optimal color development in solvent-based coatings?
A: For solvent-based systems, pre-wetting with compatible solvents followed by high-shear dispersion using rotor-stator mixers or bead mills is recommended. The pigment responds well to conventional organic dispersants and typically achieves full development within standard milling cycles without excessive energy input.
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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
