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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, maintaining color integrity under UV exposure.
Non-toxic formulation compliant with major global regulatory standards including EN 71-3 and RoHS.
Low oil absorption ensures efficient dispersion in both aqueous and solvent-based systems.
Chemically inert in alkaline and mildly acidic environments, enhancing compatibility in diverse formulations.
Ceramic glazes and frits for architectural tiles and tableware.
High-performance coatings for industrial equipment and automotive components.
Coloration of refractory materials including firebricks and kiln furniture.
Pigmentation of glass enamels and low-melting-point glasses.
Functional fillers in heat-resistant plastics and polymer composites.
| Chemical Type | Complex metal oxide (lead-free mixed-phase vanadate) |
| Product Form | Fine crystalline powder |
| Appearance | Yellow to yellow-orange free-flowing powder |
| Primary Applications | Ceramics, glass, high-temp coatings, refractories |
| Key Features | Thermal stability, UV resistance, chemical inertness |
| Benefits | Consistent batch-to-batch color, low volatility, no heavy metals |
| Storage Conditions | Keep in dry, cool, well-ventilated area away from moisture |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Yellow YA21ELV?
A: Cathay CATHAYCOAT Yellow YA21ELV is a high-performance inorganic yellow pigment based on modified iron oxide and/or complex metal oxides, engineered for enhanced thermal stability and lightfastness in demanding coating applications.
Q2: Is this pigment suitable for use in heat-sensitive polymer systems such as PVC or low-bake coatings?
A: Yes — YA21ELV is specifically formulated for excellent thermal stability and is widely used in PVC compounds, powder coatings, and low-temperature curing systems where conventional organic yellows may degrade or discolor.
Q3: How does YA21ELV compare to standard iron oxide yellows in terms of tinting strength and dispersibility?
A: YA21ELV offers significantly higher tinting strength and improved wetting characteristics compared to conventional iron oxide yellows, enabling more efficient dispersion in both water-based and solvent-based systems with reduced grinding energy and time.
Q4: Can YA21ELV be used in food-contact coatings or other regulated end uses?
A: While YA21ELV is an inorganic pigment with inherently low solubility and migration potential, its suitability for food-contact applications depends on final formulation compliance and regulatory approval by relevant authorities; users must conduct full system-level testing and verification per applicable regional requirements.
Q5: What is the typical dosage range when using YA21ELV in industrial coil coatings?
A: Dosage is formulation-dependent, but YA21ELV is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight in the total coating solids — to achieve strong chromatic performance without compromising film integrity or weather resistance.
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