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High thermal stability up to 800 °C, maintaining color integrity in high-temperature processing.
Excellent lightfastness and UV resistance, ensuring long-term color retention under outdoor exposure.
Low soluble salt content (< 0.1%), minimizing risk of efflorescence and substrate corrosion.
Consistent particle size distribution for uniform dispersion and optimal tinting strength.
Non-toxic formulation compliant with EN 71-3 and RoHS directives for safe handling and regulatory acceptance.
Ceramic glazes and frits for tableware, tiles, and sanitaryware.
Architectural concrete and precast concrete elements requiring durable red hue.
High-performance coatings for industrial equipment and infrastructure.
Plastic masterbatches for automotive interior components and construction profiles.
Specialty glass coloring, including borosilicate and soda-lime glass systems.
| Chemical Type | Iron-based mixed metal oxide (Fe–Cr–Mn spinel) |
| Product Form | Fine dry powder |
| Appearance | Deep brick-red to maroon free-flowing powder |
| Primary Applications | Ceramics, concrete, coatings, plastics, glass |
| Key Features | Thermal stability, chemical inertness, non-volatility |
| Benefits | Color consistency, low migration, excellent weatherability |
| Storage Conditions | Store in cool, dry, well-ventilated area; protect from moisture |
| Regulatory Compliance | REACH registered, non-hazardous per GHS classification |
Q1: What is the primary chemical composition of CATHAYRED RA11YC?
A: CATHAYRED RA11YC 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 applications.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Yes — CATHAYRED RA11YC is formulated to meet general regulatory expectations for pigments in food-contact polyolefins and engineering thermoplastics, subject to final compliance verification by the compounder or end-user under applicable regional frameworks.
Q3: How does RA11YC perform under high-temperature processing conditions?
A: This pigment demonstrates excellent thermal stability, retaining its red hue and dispersion integrity during standard melt processing of polypropylene, polyethylene, and ABS up to 280°C, with minimal risk of blooming or color shift.
Q4: What are the recommended dispersion methods for optimal performance?
A: For best results, pre-disperse using high-shear compounding or twin-screw extrusion; masterbatch dilution is strongly recommended. Avoid prolonged dry blending without subsequent melt processing to ensure uniform distribution and full color development.
Q5: Can RA11YC be used alongside organic pigments or other inorganic colorants in multi-pigment systems?
A: Yes — RA11YC exhibits good compatibility with common organic reds, yellows, and titanium dioxide in co-pigmented systems, though preliminary compatibility testing is advised to confirm absence of adverse interactions such as chromatic deviation or reduced heat stability.
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