High thermal stability up to 800 °C, retaining color integrity during high-temperature processing.
Excellent lightfastness and UV resistance, ensuring long-term color retention in outdoor applications.
Non-toxic and heavy-metal-free formulation, compliant with global environmental and safety standards including RoHS and REACH.
Superior dispersion performance in aqueous and solvent-based systems without requiring additional dispersants.
Consistent batch-to-batch color strength and hue, supported by rigorous in-house quality control.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance coatings for industrial machinery and automotive refinish systems.
Coloration of refractory materials including fire bricks and furnace linings.
Pigmentation of construction materials such as concrete pavers, stucco, and cementitious renders.
Functional coloring of specialty plastics requiring heat resistance and chemical inertness.
| Chemical Type | Iron oxide-based complex inorganic colored pigment (CICP) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing reddish-brown powder |
| Primary Applications | Ceramics, refractories, coatings, construction materials, specialty plastics |
| Key Features | Heat resistant, lightfast, chemically inert, non-volatile |
| Benefits | Reduced fading, low migration, excellent weathering resistance, regulatory compliance |
| pH Stability Range | 4–12 (in aqueous dispersions) |
| Specific Gravity | ~4.2 g/cm³ |
Q1: What is the primary chemical composition of CATHAYRED RA10YD?
A: CATHAYRED RA10YD is a high-performance inorganic red pigment based on a stabilized iron oxide–zinc complex system, engineered for thermal and chemical robustness without reliance on heavy metals or organic dyes.
Q2: Is CATHAYRED RA10YD suitable for use in polyolefin compounds exposed to high-temperature processing?
A: Yes — it exhibits excellent thermal stability and retains color integrity during extrusion and injection molding of polypropylene and polyethylene, even at sustained melt temperatures above 220 °C.
Q3: How does this pigment perform under UV exposure and outdoor weathering conditions?
A: As an inorganic pigment, CATHAYRED RA10YD offers inherently high UV resistance and long-term lightfastness, making it well-suited for exterior applications where color retention under natural sunlight is critical.
Q4: Can CATHAYRED RA10YD be used in food-contact plastics?
A: It is formulated to meet general requirements for non-intent-to-contact food packaging applications; however, final regulatory compliance depends on the full formulation, processing conditions, and applicable regional regulations — users must conduct their own due diligence and validation.
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