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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, heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion performance in aqueous and solvent-based systems with low viscosity impact.
Consistent batch-to-batch color reproducibility ensured by strict process control and ISO-certified manufacturing.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance architectural coatings requiring long-term fade resistance.
Plastic coloration for outdoor applications including automotive interior trim and construction profiles.
Specialty inks for heat-transfer printing on polyester and polyamide substrates.
Fire-resistant intumescent coatings and industrial protective finishes.
| Chemical Type | Mixed Metal Oxide (Iron-Manganese-Chromium Spinel) |
| Product Form | Fine Dry Powder |
| Appearance | Brilliant Reddish-Brown Powder |
| Primary Applications | Ceramics, Coatings, Plastics, Inks |
| Key Features | Thermal Stability, UV Resistance, Non-Toxicity, Acid/Alkali Resistant |
| Particle Size (D50) | 0.8–1.2 μm |
| Bulk Density | 2.4–2.6 g/cm³ |
| pH (10% Aqueous Slurry) | 6.5–7.5 |
Q1: What is the primary chemical composition of CATHAYRED RA13YD?
A: CATHAYRED RA13YD is a high-performance inorganic red pigment based on a modified iron oxide–chromium oxide solid solution system, engineered for enhanced thermal stability and color consistency in demanding processing environments.
Q2: Is CATHAYRED RA13YD suitable for use in food-contact plastics?
A: Yes — it is formulated to comply with general food-contact safety expectations for inorganic pigments in polyolefins and engineering thermoplastics, subject to final regulatory review by the end-user’s compliance team and applicable regional requirements.
Q3: How does RA13YD perform under high-temperature processing conditions?
A: It exhibits excellent thermal stability up to 300°C, maintaining color integrity and minimal degradation during standard extrusion and injection molding of polypropylene, polyethylene, and ABS — making it well-suited for applications requiring extended melt residence time.
Q4: What dispersion methods are recommended for optimal performance in polymer systems?
A: Pre-dispersion via high-shear compounding or masterbatch dilution is strongly recommended; the pigment responds well to conventional twin-screw extrusion and achieves uniform distribution without requiring specialized surface treatments in most non-polar matrices.
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E-mail: wangxingqiang@ericwchem.com
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