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Exceptional thermal stability up to 1000°C in oxidizing atmospheres.
Non-toxic, heavy-metal-free composition compliant with global regulatory standards (RoHS, REACH).
High opacity and excellent lightfastness under prolonged UV exposure.
Chemically inert—resistant to acids, alkalis, and solvents commonly used in industrial coatings.
Consistent particle size distribution ensuring uniform dispersion and color reproducibility.
High-temperature ceramic glazes and kiln-fired decorative tiles.
Heat-resistant coatings for exhaust systems, industrial ovens, and furnace linings.
Colorants in refractory concrete and fireproofing mortars.
Pigmentation of glass enamels and vitreous coatings.
Stabilized colorants in polymer composites for under-hood automotive components.
| Chemical Type | Mixed-metal oxide (calcium-strontium-zinc spinel-based) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing reddish-brown powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, glass enamels |
| Key Features | Thermal stability, non-volatility, chemical inertness, UV resistance |
| Benefits | Long-term color retention, no outgassing at elevated temperatures, easy dispersion |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and strong oxidizers |
| Shelf Life | 36 months from date of manufacture when stored properly |
Q1: What is the primary chemical composition of CATHAYTHERM YA22HR?
A: CATHAYTHERM YA22HR is a high-performance inorganic pigment based on a stabilized mixed-metal oxide system, engineered for exceptional thermal stability and inertness in demanding polymer and coating applications.
Q2: Is YA22HR suitable for use in polyolefin compounds processed at high temperatures?
A: Yes — YA22HR is specifically formulated to retain color integrity and dispersion stability during high-temperature processing of polyolefins (e.g., PP, PE), including injection molding and extrusion up to 300°C.
Q3: How does YA22HR perform under UV exposure and outdoor weathering conditions?
A: As an inorganic pigment with inherent UV resistance, YA22HR delivers excellent long-term color retention and minimal fading in outdoor applications, particularly when compounded into weather-resistant polymer systems.
Q4: Can YA22HR be used in food-contact plastics?
A: While YA22HR exhibits high chemical inertness and low extractability, compliance with food-contact regulations depends on final formulation, processing conditions, and regional regulatory evaluation — users must conduct full regulatory assessment per applicable jurisdiction.
Q5: What is the typical dosage range for optimal color development and performance?
A: Dosage is formulation-dependent, but YA22HR is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — to achieve strong tinting strength and thermal stability without compromising mechanical properties.
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