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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 tinting strength in matrix systems.
Ceramic glazes and frits for tableware, sanitaryware, and architectural tiles.
High-performance vitreous enamels for domestic appliances and industrial heat-exchange equipment.
Inorganic pigment dispersions for fire-resistant and intumescent coatings.
Colorants in refractory materials, including kiln furniture and furnace linings.
Pigmentation of inorganic binders in mineral plasters and silicate-based façade systems.
| Chemical Type | Mixed-metal oxide (iron-chromium-cobalt spinel) |
| Product Form | Fine dry powder |
| Appearance | Deep brick-red free-flowing powder |
| Primary Applications | Ceramics, vitreous enamels, refractories, inorganic coatings |
| Key Features | Thermal stability, UV resistance, pH neutrality, non-volatile |
| Benefits | No blooming, no migration, low oil absorption, minimal batch variation |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Regulatory Compliance | REACH registered; meets ISO 10124 and ASTM C726 for ceramic pigments |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RA15?
A: Cathay CATHAYCOAT Red RA15 is an iron oxide-based inorganic pigment, formulated to deliver high thermal stability and strong chromatic performance in demanding industrial coating systems.
Q2: Is this pigment suitable for high-temperature curing applications?
A: Yes — RA15 exhibits excellent thermal stability and retains its color integrity during standard industrial baking cycles, including those exceeding 180 °C, making it well-suited for coil coatings, powder coatings, and automotive refinishing systems.
Q3: How does RA15 perform in UV-exposed outdoor applications?
A: As a fully inorganic oxide pigment, RA15 demonstrates outstanding lightfastness and weather resistance, with minimal fading or chalking under prolonged UV exposure — ideal for architectural metal coatings and exterior industrial finishes.
Q4: What is the typical dosage range when incorporating RA15 into solventborne and waterborne coating systems?
A: Dosage depends on formulation requirements and desired opacity, but RA15 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — due to its high tinting strength and efficient dispersion characteristics.
Q5: Can RA15 be safely used in contact-sensitive applications such as metal packaging or food equipment coatings?
A: RA15 is non-toxic and compliant with general industrial safety guidelines for inorganic pigments; however, final regulatory compliance for specific end uses — including indirect food contact — must be verified through full system testing and adherence to applicable regional regulations.
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