High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion performance in aqueous and solvent-based systems without requiring surface treatment.
Consistent particle size distribution ensuring uniform color strength and minimal batch-to-batch variation.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance coatings for industrial equipment and exterior building facades.
Coloration of inorganic binders in construction materials such as concrete, mortar, and terrazzo.
Pigmentation of refractory products including firebricks and kiln furniture.
Functional coloring in specialty glass and enamel applications.
| Chemical Type | Mixed Metal Oxide (Zinc Iron Chromite-based) |
| Product Form | Free-flowing fine powder |
| Appearance | Opaque yellow-brown granular powder |
| Primary Applications | Ceramics, refractories, architectural coatings, concrete colorants |
| Key Features | Thermally stable, chemically inert, non-volatile, acid/alkali resistant |
| Benefits | No blooming or migration; retains hue in high-pH cementitious environments |
| Storage Conditions | Store in cool, dry place away from direct sunlight and moisture |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of CATHAYCOAT Yellow YC23A?
A: CATHAYCOAT Yellow YC23A is a high-performance inorganic yellow pigment based on a modified complex metal oxide system, engineered for thermal and chemical stability. It does not contain cadmium, lead, or chromium(VI), aligning with modern environmental and regulatory expectations for industrial pigments.
Q2: Is YC23A suitable for high-temperature coating applications such as coil coatings or powder coatings?
A: Yes — YC23A exhibits excellent thermal stability and retains its chromatic integrity during typical curing cycles used in coil coatings, powder coatings, and automotive OEM finishes. It is formulated to withstand processing temperatures up to approximately 250°C without significant hue shift or degradation.
Q3: How does YC23A perform in UV-exposed outdoor applications?
A: YC23A demonstrates strong inherent UV resistance due to its inorganic crystalline structure and surface treatment. When properly formulated in durable resin systems (e.g., PVDF, polyester, or acrylic-based topcoats), it delivers long-term color retention and gloss stability under accelerated weathering and natural outdoor exposure.
Q4: Can YC23A be dispersed in both solvent-based and water-based coating systems?
A: Yes — YC23A is compatible with a broad range of dispersion technologies and has been successfully incorporated into both solvent-borne and aqueous industrial coating formulations. Optimal dispersion typically requires high-shear mixing and may benefit from standard pigment dispersants tailored for inorganic oxides.
Q5: What is the recommended dosage range for achieving optimal color strength and opacity?
A: Dosage depends on the specific formulation, substrate, and performance requirements, but YC23A is typically used at low concentrations to achieve strong yellow coloration and good hiding power. In most industrial coatings, effective loading generally ranges from 0.1% to 2% by weight relative to total formulation solids.
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