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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 global regulatory standards including EN 71-3 and RoHS.
Superior chemical inertness—resistant to acids, alkalis, and solvents commonly encountered in industrial coatings.
Consistent particle size distribution ensuring uniform dispersion and optimal hiding power in pigment systems.
Ceramic glazes and frits for tableware and architectural tiles.
High-performance architectural and industrial coatings requiring long-term color retention.
Plastic coloration for outdoor applications including automotive trims and construction profiles.
Specialty inks for heat-transfer printing on textiles and rigid substrates.
Colored concrete and cementitious building materials exposed to harsh environmental conditions.
| Chemical Type | Mixed-metal oxide (Fe–Cr–Al spinel-based) |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant red-brown granular powder |
| Primary Applications | Ceramics, coatings, plastics, inks, construction materials |
| Key Features | Thermal stability, UV resistance, non-volatility, low water solubility |
| Benefits | Color consistency, regulatory compliance, ease of dispersion, minimal batch variation |
| Density (g/cm³) | 4.2–4.5 |
| Particle Size (D50, µm) | 0.8–1.2 |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RA17?
A: Cathay CATHAYCOAT Red RA17 is an inorganic iron-based red pigment, formulated as a modified hematite (α-Fe₂O₃) system with controlled particle morphology and surface treatment to enhance dispersion and stability in demanding applications.
Q2: Is this pigment suitable for high-temperature coating systems such as coil coatings or powder coatings?
A: Yes — RA17 exhibits excellent thermal stability and retains its chromatic integrity under typical cure conditions for coil coatings (up to ~250°C) and thermosetting powder coatings, making it well-suited for industrial metal finishing applications requiring long-term color retention.
Q3: How does RA17 compare to organic red pigments in terms of weathering resistance?
A: As an inorganic pigment, RA17 offers significantly superior UV resistance, chalking resistance, and long-term color stability compared to most organic reds — particularly in exterior architectural coatings, automotive refinishes, and infrastructure applications exposed to prolonged sunlight and moisture.
Q4: Can RA17 be used in water-based systems without compromising dispersion or gloss?
A: Yes — RA17 is engineered with a tailored surface treatment that supports stable dispersion in both water-based acrylic and polyurethane dispersions, enabling good gloss retention and minimal settling when properly formulated and milled.
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