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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, maintaining color integrity under UV exposure.
Non-toxic composition compliant with global regulatory standards for industrial pigments.
Superior dispersion performance in aqueous and solvent-based systems.
Consistent particle size distribution ensuring uniform color development and batch-to-batch reproducibility.
Ceramic glazes and engobes for architectural tiles and sanitaryware.
High-performance coatings for industrial equipment and infrastructure.
Coloration of refractory materials including firebricks and kiln furniture.
Pigmentation of concrete, mortar, and precast architectural elements.
Functional coloring in specialty glass and enamel formulations.
| Chemical Type | Mixed-metal oxide (Fe–Cr–Mn spinel) |
| Product Form | Fine dry powder |
| Appearance | Uniform brown powder with no visible agglomerates |
| Primary Applications | Ceramics, refractories, architectural concrete, industrial coatings, enamels |
| Key Features | Thermal stability, UV resistance, chemical inertness, low solubility in acidic/alkaline media |
| Benefits | Long-term color retention, minimal migration, compatibility with high-temperature firing cycles |
| Storage Conditions | Store in cool, dry, well-ventilated area away from moisture and direct sunlight |
| Regulatory Compliance | REACH registered; RoHS compliant; non-hazardous per GHS classification |
Q1: What is the primary chemical composition of CATHAYCOAT Brown BRS81H?
A: CATHAYCOAT Brown BRS81H is a mixed metal oxide pigment based predominantly on iron and manganese oxides, engineered for thermal and chemical stability in demanding industrial coating systems.
Q2: Is this pigment suitable for high-temperature curing applications?
A: Yes — BRS81H exhibits excellent thermal stability and is commonly used in coil coatings, automotive primers, and industrial finishes requiring baking temperatures up to 250°C without significant color shift or decomposition.
Q3: How does BRS81H perform in UV-exposed outdoor applications?
A: As an inorganic oxide pigment, BRS81H offers inherently high UV resistance and weatherfastness, making it well-suited for exterior architectural coatings and durable industrial finishes where long-term color retention is critical.
Q4: What is the typical dosage range when incorporating BRS81H into solvent-based and water-based coatings?
A: Dosage depends on formulation requirements and desired opacity, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — with good tinting strength and dispersion stability in both solvent-borne and aqueous systems.
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