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High thermal stability up to 800°C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Non-toxic composition compliant with major global regulatory standards including EN 71-3 and RoHS.
Consistent particle size distribution ensuring uniform dispersion and optimal color strength in matrix systems.
Chemically inert and acid/alkali resistant, enabling use in aggressive industrial environments.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural coatings requiring long-term color retention.
Industrial powder coatings for metal substrates exposed to outdoor conditions.
Plastic coloration in engineering thermoplastics such as polypropylene and polyester.
Specialty glass coloring for automotive and decorative glass applications.
| Chemical Type | Calcium Molybdate-based Inorganic Pigment |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant red-orange powder |
| Primary Applications | Ceramics, coatings, plastics, glass |
| Key Features | Thermal stability, lightfastness, chemical inertness |
| Benefits | Non-toxic, heavy-metal-free, consistent batch-to-batch performance |
| Storage Conditions | Store in cool, dry, well-ventilated area away from direct sunlight |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of Cathay CATHAYPURE Red R5213?
A: Cathay CATHAYPURE Red R5213 is an iron oxide-based inorganic pigment, formulated as a high-purity, thermally stable red iron oxide variant optimized for consistent hue and excellent dispersion performance in demanding industrial applications.
Q2: Is this pigment suitable for use in food-contact plastics or coatings?
A: Cathay CATHAYPURE Red R5213 is designed for general industrial applications including architectural coatings, industrial finishes, and engineering plastics. It is not certified for direct food-contact use unless specifically validated and approved by the end-user’s regulatory team under applicable regional requirements.
Q3: How does R5213 perform under UV exposure and elevated temperatures?
A: As a fully calcined inorganic iron oxide pigment, R5213 exhibits excellent inherent UV stability and thermal resistance, maintaining color integrity in outdoor applications and during high-temperature processing such as extrusion or baking cycles.
Q4: What dispersion methods are recommended for optimal performance in solvent-based systems?
A: For solvent-based systems, pre-wetting with compatible solvents followed by high-shear dispersion using rotor-stator mixers or bead mills is recommended. Surface treatment compatibility allows for efficient stabilization with common organic dispersants.
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E-mail: wangxingqiang@ericwchem.com
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