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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 RoHS and REACH.
Superior chemical inertness—resistant to acids, alkalis, and solvents commonly used in industrial coatings.
Consistent particle size distribution ensuring uniform dispersion and optimal opacity in pigment systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance enamel coatings for household appliances and industrial metal substrates.
Colorants in refractory materials including furnace linings and kiln furniture.
Pigmentation of heat-resistant plastics for automotive under-hood components.
Functional coloring agent in low-VOC architectural coatings requiring durable red hues.
| Chemical Type | Complex metal oxide (Iron-Manganese-Chromium spinel) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform brick-red powder |
| Primary Applications | Ceramics, enamels, refractories, heat-resistant coatings |
| Key Features | Thermal stability, UV resistance, non-volatility, heavy-metal-free |
| Benefits | Color consistency at high firing temperatures, low dosage requirement, minimal batch variation |
| Density (g/cm³) | 4.2–4.5 |
| Particle Size (D50, μm) | 1.8–2.2 |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RA12B?
A: Cathay CATHAYCOAT Red RA12B is an iron oxide–based inorganic pigment, formulated to deliver high chroma red coloration with excellent thermal and chemical stability. Its composition is optimized for consistency and performance in demanding industrial coating systems.
Q2: Is RA12B suitable for use in high-temperature curing applications?
A: Yes — RA12B exhibits strong thermal stability and is routinely used in baked enamel systems, powder coatings, and other high-temperature cured finishes where pigment integrity must be maintained above 180°C.
Q3: How does RA12B perform in acidic or alkaline environments?
A: As a fully calcined inorganic oxide pigment, RA12B demonstrates good resistance to both mild acidic and alkaline conditions commonly encountered in architectural coatings, industrial primers, and protective topcoats.
Q4: Can RA12B be dispersed in water-based coating systems without significant loss of tinting strength?
A: Yes — RA12B is engineered for compatibility with both solvent-borne and aqueous systems. With appropriate dispersants and milling, it achieves stable dispersion and maintains high color strength and opacity in water-based architectural and industrial paints.
Q5: What is the typical dosage range for RA12B in standard industrial coatings?
A: Dosage depends on formulation requirements and desired opacity/chroma, but RA12B is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — due to its high hiding power and efficient color development.
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