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High thermal stability up to 800 °C, suitable for high-temperature ceramic and refractory applications.
Excellent lightfastness and weather resistance, ensuring long-term color retention under UV exposure.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards (RoHS, REACH).
Superior dispersion performance in aqueous and solvent-based systems without requiring surface treatment.
Consistent batch-to-batch color strength and hue, certified via spectrophotometric quality control.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance coatings for industrial equipment and exterior building facades.
Coloration of refractory materials including firebricks, kiln furniture, and furnace linings.
Pigmentation of glass enamels and low-melting-point specialty glasses.
Functional fillers in heat-resistant plastics and polymer composites for automotive under-hood components.
| Chemical Type | Mixed-metal oxide (Fe–Cr–Al spinel) |
| Product Form | Fine dry powder |
| Appearance | Brilliant red granular powder |
| Primary Applications | Ceramics, refractories, high-temp coatings, glass enamels |
| Key Features | Thermal stability, UV resistance, chemical inertness, non-volatile |
| Benefits | No blooming, no migration, minimal impact on substrate mechanical properties |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and direct sunlight |
| Shelf Life | 36 months from date of manufacture when stored properly |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Red RC19?
A: Cathay CATHAYCOAT Red RC19 is an iron oxide–based inorganic pigment, formulated with controlled crystallinity and surface characteristics to deliver consistent red hue, high opacity, and thermal stability.
Q2: Is RC19 suitable for high-temperature coating applications, such as coil coatings or powder coatings?
A: Yes — RC19 exhibits excellent thermal stability and retains its color integrity during standard curing cycles used in coil coatings, powder coatings, and ceramic glazes, making it well-suited for industrial heat-cured systems.
Q3: How does RC19 perform in terms of UV resistance and weathering stability?
A: As an inorganic iron oxide pigment, RC19 demonstrates inherently strong resistance to UV degradation and long-term weathering, providing reliable color retention in exterior architectural coatings and industrial maintenance paints.
Q4: Can RC19 be used in water-based systems without dispersion additives?
A: While RC19 is compatible with aqueous formulations, optimal performance — including dispersion stability and color development — typically requires conventional dispersants or surfactants tailored to inorganic pigments.
Q5: What are the recommended handling precautions for RC19 during manufacturing?
A: Standard industrial hygiene practices apply: use local exhaust ventilation during dry handling, avoid inhalation of dust, and wear appropriate PPE (e.g., N95 respirator, gloves) — consistent with general guidelines for fine inorganic powders.
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E-mail: wangxingqiang@ericwchem.com
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