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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8 performance.
Low oil absorption (< 22 g/100 g), ensuring efficient dispersion in high-solids formulations.
Non-hazardous composition compliant with REACH Annex XIV and RoHS 3 directives.
Consistent particle size distribution (D50 ≈ 0.8–1.2 µm) for uniform color development and opacity.
Ceramic glazes and underglaze decorations for tableware and sanitaryware.
High-temperature coatings for architectural metal cladding and industrial exhaust systems.
Coloration of refractory materials including firebricks and kiln furniture.
Pigmentation of glass enamels and frit-based decorative layers.
Functional coloring in technical plastics requiring long-term thermal aging resistance.
| Chemical Type | Complex inorganic colored pigment (CICP) — lead-free mixed metal oxide |
| Product Form | Free-flowing dry powder |
| Appearance | Brilliant yellow granular powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, glass enamels |
| Key Features | Thermal stability, UV resistance, chemical inertness, non-volatile |
| Benefits | No blooming, no migration, minimal batch-to-batch variation, low dust generation |
| pH (10% aqueous slurry) | 6.5–7.5 |
| Specific Gravity | 4.9–5.2 g/cm³ |
Q1: What is the primary chemical composition of Cathay CATHAYGRAN Yellow F5300GS?
A: Cathay CATHAYGRAN Yellow F5300GS is a high-performance inorganic yellow pigment based on modified iron oxide and/or complex metal oxide systems, engineered for enhanced thermal stability and lightfastness in demanding polymer applications.
Q2: Is this pigment suitable for food-contact plastics?
A: While F5300GS is designed for use in polyolefins, engineering resins, and masterbatches, its suitability for food-contact applications depends on final formulation compliance and regional regulatory evaluation. It is not pre-certified for food contact; users must validate compliance with applicable local regulations through full system testing.
Q3: How does F5300GS perform under high-temperature processing conditions?
A: This pigment exhibits excellent thermal stability, maintaining consistent color and dispersion integrity during standard extrusion and injection molding processes up to 280°C, making it well-suited for polypropylene, polyethylene, and engineering thermoplastics.
Q4: What are the recommended dispersion methods for optimal performance?
A: For best results, incorporate F5300GS via high-shear compounding—such as twin-screw extrusion or intensive batch mixing—with compatible carrier resins. Pre-dispersed masterbatches are also widely used to ensure uniform distribution and minimize dust handling.
Q5: Can F5300GS be used in outdoor applications requiring UV resistance?
A: Yes—F5300GS offers inherently strong UV stability due to its inorganic nature and optimized crystal structure, delivering reliable long-term color retention in exterior-grade polyolefin products exposed to sunlight and weathering.
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