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High thermal stability up to 1000 °C, suitable for high-temperature ceramic and refractory applications.
Excellent lightfastness and weather resistance, ensuring long-term color retention under UV exposure.
Non-toxic and heavy-metal-free formulation compliant with global environmental regulations (RoHS, REACH).
Consistent particle size distribution for optimal dispersion and uniform color development in matrix systems.
Chemically inert in alkaline and acidic environments, enhancing compatibility with cementitious and polymer-based binders.
Architectural concrete and precast concrete products.
Ceramic glazes and wall/floor tile bodies.
High-performance coatings for industrial and marine environments.
Plastic coloration for outdoor construction profiles and PVC window frames.
Colored roofing granules and asphalt-based surfacing materials.
| Chemical Type | Complex mixed metal oxide (Fe–Mn–Cr spinel) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform reddish-brown powder |
| Primary Applications | Ceramics, concrete, coatings, plastics, roofing granules |
| Key Features | Thermal stability, UV resistance, alkali resistance, non-volatile |
| Benefits | Color consistency, low dosage requirement, minimal impact on mechanical properties |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of Cathay CATHAYCOAT Brown BRS82?
A: Cathay CATHAYCOAT Brown BRS82 is a mixed-metal oxide pigment based on iron and manganese, engineered for thermal and chemical stability in demanding industrial coating systems.
Q2: Is this pigment suitable for high-temperature curing applications?
A: Yes — BRS82 exhibits excellent thermal stability and retains its color integrity during typical industrial baking cycles up to 250°C, making it well-suited for coil coatings, powder coatings, and automotive refinishing systems.
Q3: How does BRS82 perform in UV-exposed outdoor applications?
A: As an inorganic oxide pigment, BRS82 offers inherently high UV resistance and weatherfastness, with minimal fading or chalking under prolonged solar exposure when properly formulated and dispersed in durable resin systems.
Q4: What dispersion methods are recommended for optimal performance?
A: Efficient dispersion is achieved using high-shear mixing or bead milling in compatible solvent- or water-based media. Pre-wetting with suitable surfactants or dispersing aids enhances stabilization and minimizes agglomeration in final formulations.
Q5: Can BRS82 be used in food-contact or pharmaceutical-grade coatings?
A: While BRS82 is non-toxic and free of heavy metals such as lead, cadmium, and mercury, its suitability for regulated end uses depends on full formulation compliance and third-party verification — users must validate conformance with applicable regional food-contact regulations prior to deployment.
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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
