High chromatic strength with excellent color consistency across batches.
Outstanding thermal stability suitable for high-temperature processing up to 600°C.
Superior lightfastness and weather resistance, meeting ISO 105-B02 (7–8 rating).
Low solubility in water and common organic solvents, ensuring formulation stability.
Non-toxic composition compliant with EU REACH and RoHS directives for restricted substances.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance coatings for automotive refinish and industrial metal finishes.
Coloration of engineering plastics including polyamide (PA), polypropylene (PP), and PBT.
Specialty inks for heat-transfer printing and ceramic decal applications.
Colored glass formulations requiring chemical inertness and melt compatibility.
| Chemical Type | Mixed-metal oxide (lead-free chromium-antimony-titanium complex) |
| Product Form | Fine dry powder |
| Appearance | Brilliant yellow granular powder |
| Primary Applications | Ceramics, high-temp coatings, engineering plastics, specialty inks |
| Key Features | Thermal stability, lightfastness, chemical inertness, low volatility |
| Benefits | Consistent hue, minimal batch variation, reduced VOC impact in coatings |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Regulatory Compliance | REACH registered, RoHS 2011/65/EU compliant, non-hazardous per GHS |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Yellow YA21LV?
A: YA21LV is a high-performance inorganic yellow pigment based on modified iron oxide–zinc oxide composite chemistry, engineered for enhanced thermal stability and chromatic purity in demanding coating systems.
Q2: Is YA21LV suitable for use in high-temperature curing applications, such as powder coatings or coil coatings?
A: Yes — YA21LV is specifically formulated to retain color strength and dispersion integrity at cure temperatures up to 220°C, making it well-suited for thermoset powder coatings, pre-treatment primers, and continuous coil coating lines.
Q3: How does YA21LV compare to traditional cadmium-based yellow pigments in terms of regulatory compliance and environmental profile?
A: YA21LV is a non-cadmium, heavy-metal-free alternative designed to meet evolving global restrictions on hazardous substances. It avoids REACH SVHC concerns associated with cadmium pigments while delivering comparable brightness and weather resistance in architectural and industrial finishes.
Q4: What is the typical dosage range when incorporating YA21LV into solventborne and waterborne acrylic enamel systems?
A: Dosage depends on formulation requirements and desired opacity, but YA21LV is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — due to its high tinting strength and efficient light absorption characteristics.
Q5: Does YA21LV require special surface treatment for optimal dispersion in high-solids or low-VOC formulations?
A: YA21LV is supplied with a proprietary inorganic–organic hybrid surface treatment that enhances compatibility with both polar and non-polar resin systems, supporting stable dispersion in high-solids, low-VOC, and UV-curable coatings without requiring additional dispersant optimization in most cases.
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