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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 polymer matrices.
Non-toxic composition compliant with EU REACH and RoHS directives for restricted substances.
Consistent particle size distribution enabling uniform dispersion and optimal color strength.
Ceramic glazes and frits for tableware and architectural tiles.
High-temperature coatings for industrial furnaces and exhaust components.
Colorants in glass manufacturing, including container and decorative glass.
Pigmentation of refractory materials such as firebricks and castables.
Stabilized pigments for engineering plastics requiring heat resistance above 300 °C.
| Chemical Type | Mixed-metal oxide (lead-free chromate-free yellow) |
| Product Form | Fine dry powder |
| Appearance | Bright lemon-yellow free-flowing powder |
| Primary Applications | Ceramics, glass, high-temp coatings, refractories |
| Key Features | Thermal stability, UV resistance, chemical inertness |
| Benefits | Color consistency, low volatility, non-hazardous handling |
| pH (10% aqueous slurry) | 6.5–7.5 |
| LOI (Loss on Ignition, 1000 °C) | <1.2% |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Yellow YS22ELV?
A: YS22ELV is a high-performance inorganic yellow pigment based on modified iron oxide and complex metal oxides, engineered for enhanced thermal stability and chromatic purity without heavy metals such as lead, cadmium, or chromium(VI).
Q2: Is YS22ELV suitable for high-temperature processing applications, such as engineering plastics or powder coatings?
A: Yes — YS22ELV is specifically formulated for excellent thermal stability, maintaining color integrity during extrusion, injection molding, and curing processes commonly encountered in engineering thermoplastics and thermoset systems up to approximately 300 °C.
Q3: How does YS22ELV compare to organic yellow pigments in terms of lightfastness and weather resistance?
A: As an inorganic pigment, YS22ELV offers significantly superior lightfastness, UV resistance, and long-term outdoor durability compared to most organic yellows, making it well-suited for exterior applications where color retention under prolonged solar exposure is critical.
Q4: Can YS22ELV be used in food-contact compliant coatings or polymers?
A: While YS22ELV contains no intentionally added restricted heavy metals and complies with general good manufacturing practices, formal food-contact compliance depends on the final formulation, processing conditions, and applicable regional regulations — users must conduct full regulatory validation for their specific application.
Q5: What is the typical dosage range when incorporating YS22ELV into polymer masterbatches or liquid coatings?
A: Dosage depends on the desired shade strength and substrate opacity, but YS22ELV is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight in most industrial polymer and coating systems.
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