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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.
Non-toxic composition compliant with EN 71-3 and RoHS directives.
Consistent particle size distribution ensuring uniform dispersion in matrix systems.
Low oil absorption (<25 g/100 g) enabling high loading without viscosity penalty.
Ceramic glazes and underglaze decorations requiring high-temperature stability.
Architectural concrete and precast façade elements exposed to UV and moisture.
High-performance industrial coatings for automotive and construction equipment.
Plastic coloration for outdoor applications including PP, HDPE, and engineering polymers.
Specialty glass coloring where chemical inertness and refractory compatibility are critical.
| Chemical Type | Mixed Metal Oxide (Zinc Iron Chromite-based) |
| Product Form | Fine Dry Powder |
| Appearance | Uniform Orange-Red Granular Powder |
| Bulk Density | 2.4–2.6 g/cm³ |
| Particle Size (D50) | 1.8–2.2 µm |
| pH (10% Aqueous Slurry) | 6.5–7.5 |
| Volatile Content (105 °C, 2 hrs) | ≤0.5 wt% |
| Heavy Metals (Pb, Cd, Hg, Cr⁶⁺) | Below Detection Limit per EN 71-3 |
Q1: What is the primary chemical composition of CATHAYGRAN Orange F6800GS?
A: CATHAYGRAN Orange F6800GS is a high-performance inorganic pigment based on mixed metal oxides, engineered for thermal and chemical stability. Its exact phase composition is proprietary, but it is formulated to deliver consistent orange hue without organic dye components or heavy-metal-based chromophores.
Q2: Is this pigment suitable for use in polyolefin compounds exposed to high-temperature processing?
A: Yes — F6800GS is specifically designed for demanding thermoplastic applications, including polypropylene and polyethylene. It exhibits excellent thermal stability up to typical melt-processing temperatures (e.g., 200–260 °C), with minimal color shift or decomposition under standard extrusion and injection molding conditions.
Q3: How does F6800GS perform in terms of UV resistance and weathering stability?
A: As an inorganic oxide-based pigment, F6800GS offers inherently high resistance to UV degradation and long-term outdoor exposure. It maintains color integrity and dispersion stability in applications requiring extended lightfastness, such as automotive exterior trims or construction profiles.
Q4: Can F6800GS be used in food-contact plastics?
A: While F6800GS contains no intentionally added regulated heavy metals and complies with general purity requirements for pigments in plastics, formal regulatory clearance for food-contact applications must be confirmed case-by-case with local authorities and through full formulation testing. It is not pre-approved under all global food-contact regulations by default.
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