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High thermal stability suitable for processing temperatures up to 800°C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8 performance.
Low solubility in water and organic solvents, ensuring minimal migration in demanding applications.
Non-toxic composition compliant with EN 71-3 and RoHS 2.0 directives.
Consistent particle size distribution for uniform dispersion and optimal color strength.
Ceramic glazes and underglaze decorations.
High-temperature industrial coatings for metal substrates.
Coloration of refractory materials and fireclay products.
Architectural facade tiles requiring long-term UV and chemical resistance.
Specialty glass formulations for signaling and decorative applications.
| Chemical Type | Mixed Metal Oxide (Zinc Iron Chromite-based) |
| Product Form | Fine dry powder |
| Appearance | Bright yellow to yellowish-brown free-flowing powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, specialty glass |
| Key Features | Thermal stability, lightfastness, chemical inertness, low heavy metal content |
| Benefits | No color shift during firing, excellent batch-to-batch consistency, easy dispersion |
| pH (5% aqueous suspension) | 6.5–7.5 |
| LOI (Loss on Ignition, 1000°C) | ≤ 1.2% |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Yellow YS01LV?
A: YS01LV is a high-performance inorganic yellow pigment based on modified iron oxide and complex metal oxide chemistry, engineered for enhanced thermal stability and UV resistance. Its exact formulation is proprietary, but it contains no heavy metals such as lead, cadmium, or chromium(VI).
Q2: Is this pigment suitable for high-temperature processing applications, such as engineering plastics or powder coatings?
A: Yes — YS01LV is specifically designed for thermal stability up to 300°C, making it well-suited for extrusion of engineering thermoplastics (e.g., polyamide, PBT) and curing cycles in powder coating systems. Performance retention under heat depends on residence time and atmospheric conditions.
Q3: How does YS01LV compare to organic yellow pigments in terms of weathering and lightfastness?
A: As an inorganic pigment, YS01LV delivers significantly superior lightfastness, chalk resistance, and long-term outdoor durability compared to most organic yellows. It exhibits excellent resistance to UV degradation and maintains color integrity under prolonged exposure to sunlight and moisture.
Q4: Can YS01LV be used in water-based coatings and inks without dispersion additives?
A: While YS01LV is inherently compatible with aqueous systems, optimal performance requires standard dispersion techniques — including wetting agents and high-shear milling — to achieve uniform particle distribution and prevent agglomeration. Pre-dispersed versions are available upon request.
Q5: What is the typical dosage range for YS01LV in polymer masterbatches?
A: Dosage generally ranges from 0.1% to 2% by weight, depending on the required chroma, opacity, and base polymer. Lower concentrations are often sufficient due to its high tinting strength and efficient dispersion characteristics.
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