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High thermal stability up to 800 °C, maintaining color integrity under elevated processing temperatures.
Excellent UV resistance and lightfastness, ensuring long-term color retention in outdoor applications.
Low solubility in water and organic solvents, enhancing chemical durability in demanding formulations.
Non-toxic and heavy-metal-free composition, compliant with global environmental and safety regulations (RoHS, REACH).
Consistent particle size distribution for optimal dispersion and uniform pigment performance in coatings and ceramics.
High-performance architectural and industrial coatings requiring weather-resistant coloration.
Ceramic glazes and frits for tiles, sanitaryware, and tableware manufacturing.
Plastic colorants for automotive interior components and engineering thermoplastics.
Fire-resistant building materials including intumescent paints and flame-retardant composites.
Specialty inks for heat-transfer printing and ceramic decals.
| Chemical Type | Mixed-Metal Oxide (Cobalt-Chromium-Iron Spinel) |
| Product Form | Fine Dry Powder |
| Appearance | Dark Green to Black Granular Powder |
| Primary Applications | Coatings, Ceramics, Plastics, Fire-Resistant Materials |
| Key Features | Thermal Stability, UV Resistance, Chemical Inertness, Non-Toxic |
| Benefits | Color Consistency, Low Migration, High Opacity, Regulatory Compliance |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and direct sunlight |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of CATHAYCOAT r PR190?
A: CATHAYCOAT r PR190 is a high-performance inorganic pigment based on a stabilized mixed-metal oxide system, engineered for exceptional thermal stability and UV resistance. Its exact formulation is proprietary, but it contains no heavy metals of concern such as lead, cadmium, or mercury.
Q2: Is CATHAYCOAT r PR190 suitable for high-temperature coating applications?
A: Yes — it is specifically designed for demanding thermal environments and maintains color integrity and dispersion stability in organic and inorganic coatings cured at temperatures up to 600 °C, making it well-suited for industrial enamel, ceramic glaze, and heat-resistant paint systems.
Q3: How does PR190 perform in acidic or alkaline environments?
A: The pigment exhibits excellent chemical resistance across a broad pH range, retaining its chromatic properties and structural integrity in mildly acidic to moderately alkaline conditions typical of architectural coatings, protective primers, and cementitious systems.
Q4: Can PR190 be used in water-based formulations without compromising dispersion stability?
A: Yes — when properly surface-treated and incorporated with standard dispersants, PR190 achieves stable, low-viscosity dispersions in aqueous systems. Typical usage levels range from 0.1% to 2% by weight, depending on desired opacity and application method.
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E-mail: wangxingqiang@ericwchem.com
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