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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, maintaining color integrity under UV exposure.
Non-toxic composition compliant with global regulatory standards including REACH and RoHS.
Superior dispersion performance in both aqueous and solvent-based systems.
Chemically inert and resistant to acids, alkalis, and common industrial solvents.
Ceramic glazes and frits for tableware and architectural tiles.
High-performance coatings for automotive and industrial equipment.
Coloration of refractory materials and fireproofing composites.
Plastic masterbatches for engineering thermoplastics requiring heat stability.
Specialty inks for glass and metal decoration.
| Chemical Type | Mixed Metal Oxide (Fe–Cr–Mn based) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing reddish-brown granular powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, engineering plastics |
| Key Features | Thermal stability, UV resistance, chemical inertness, non-volatility |
| Benefits | Color consistency at elevated temperatures, low migration, long-term durability |
| Particle Size (D50) | 1.2 – 1.8 µm |
| pH (10% aqueous slurry) | 6.8 – 7.4 |
Q1: What is the primary chemical composition of Cathay CATHAYGRAN Red F4700GS?
A: Cathay CATHAYGRAN Red F4700GS is an iron oxide-based inorganic pigment, formulated to deliver high chroma red coloration with excellent thermal and light stability. Its composition is optimized for consistent performance in demanding polymer processing environments.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Cathay CATHAYGRAN Red F4700GS is designed for industrial and general-purpose applications. While it meets common regulatory expectations for heavy metal content and purity, formal food-contact compliance requires validation against the specific regulatory framework of the target market and final application—users should consult local regulatory authorities and conduct appropriate testing.
Q3: How does this pigment perform under high-temperature processing conditions?
A: As a thermally stable inorganic pigment, Cathay CATHAYGRAN Red F4700GS maintains its color integrity during standard polymer processing—including extrusion and injection molding at temperatures up to approximately 300°C. It shows minimal color shift or degradation under typical residence times and shear conditions.
Q4: What dispersion methods are recommended for optimal color development?
A: For best results, pre-dispersion using high-shear mixing or twin-screw compounding is recommended. The pigment disperses readily in both polar and non-polar polymer matrices, and compatibility can be further enhanced with standard pigment dispersants or carrier resins tailored to the base polymer system.
Q5: Can this pigment be used in outdoor applications requiring UV resistance?
A: Yes—Cathay CATHAYGRAN Red F4700GS exhibits strong inherent UV stability due to its inorganic iron oxide structure, making it well-suited for long-term outdoor exposure in applications such as construction profiles, agricultural films, and exterior automotive components.
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