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High thermal stability up to 1200°C in oxidizing atmospheres.
Excellent chemical inertness against acids, alkalis, and solvents.
Non-toxic, heavy-metal-free composition compliant with global REACH and RoHS directives.
Superior UV resistance and long-term color retention under extreme weathering conditions.
Consistent particle size distribution ensuring uniform dispersion and high tinting strength.
Ceramic glazes and frits for architectural tiles and sanitaryware.
High-temperature coatings for industrial furnaces and exhaust systems.
Colorants in refractory concrete and fireproofing mortars.
Pigmentation of technical plastics requiring thermal processing above 300°C.
Functional fillers in aerospace composite matrices exposed to elevated temperatures.
| Chemical Type | Complex metal oxide (spinel-based) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing reddish-brown powder |
| Primary Applications | High-temperature ceramics, refractories, and engineered coatings |
| Key Features | Thermal stability, chemical resistance, non-volatility |
| Benefits | Color consistency at elevated temperatures, low sintering reactivity |
| Storage Conditions | Keep in cool, dry, well-ventilated area; protect from moisture |
| Regulatory Compliance | REACH registered, RoHS 2.0 compliant, no SVHCs above threshold |
Q1: What is the primary application field for CATHAYTHERM YA22XR?
A: CATHAYTHERM YA22XR is specifically engineered for high-temperature applications in thermoplastic and thermoset polymers, including engineering plastics used in automotive under-hood components, LED encapsulation, and heat-resistant coatings where thermal stability and color retention above 280 °C are critical.
Q2: How does YA22XR perform under prolonged thermal exposure?
A: As a high-purity inorganic pigment based on mixed-metal oxide chemistry, YA22XR exhibits excellent resistance to thermal degradation and discoloration during extended processing and end-use at elevated temperatures, maintaining consistent hue and opacity without blooming or gas evolution in standard polymer melt processing.
Q3: Is YA22XR compatible with halogen-free flame-retardant systems?
A: Yes, YA22XR demonstrates good compatibility with common halogen-free flame retardants such as aluminum hydroxide, magnesium hydroxide, and phosphinate-based systems, with no observed adverse interaction affecting dispersion stability or flame performance in compounded formulations.
Q4: What is the recommended dispersion method for optimal color development?
A: For best results, YA22XR should be incorporated using high-shear compounding—such as twin-screw extrusion—with residence time and temperature profiles optimized for the host polymer. Pre-dispersion in carrier resins or masterbatch preparation is strongly advised to ensure uniform distribution and maximize tinting strength.
Q5: Does YA22XR contain heavy metals regulated under RoHS or REACH?
A: CATHAYTHERM YA22XR is formulated without lead, cadmium, mercury, or hexavalent chromium, and complies with current RoHS Directive restrictions and REACH SVHC screening criteria for general industrial use; full regulatory documentation is available upon request for specific regional compliance verification.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
