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High thermal stability up to 1000 °C, maintaining color integrity in high-temperature processing.
Excellent lightfastness and UV resistance, ensuring long-term color retention in outdoor applications.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion stability in aqueous and solvent-based systems without requiring surface treatment.
Consistent particle size distribution for uniform tinting strength and minimal batch-to-batch variation.
Ceramic glazes and engobes for tableware, tiles, and sanitaryware.
High-performance architectural coatings exposed to harsh weather conditions.
Plastic coloration for automotive interior components and durable consumer goods.
Concrete and cementitious products including precast elements and decorative paving.
Fire-resistant intumescent coatings and passive fire protection systems.
| Chemical Type | Mixed-metal oxide (Fe–Mn–Al spinel) |
| Product Form | Free-flowing dry powder |
| Appearance | Uniform brown granular powder |
| Primary Applications | Ceramics, coatings, plastics, construction materials |
| Key Features | Thermal stability, lightfastness, chemical inertness, low oil absorption |
| Benefits | Reduced pigment loading, improved processability, regulatory compliance |
| Storage Conditions | Store in cool, dry place away from moisture and direct sunlight |
| Shelf Life | 36 months under recommended storage conditions |
Q1: What is the primary chemical composition of CATHAYMAG Brown MO2228?
A: CATHAYMAG Brown MO2228 is a mixed-metal oxide pigment based on iron and manganese oxides, engineered for thermal and chemical stability in demanding industrial applications.
Q2: Is this pigment suitable for use in polyolefin compounds exposed to high processing temperatures?
A: Yes — MO2228 exhibits excellent thermal stability and is routinely used in polypropylene and polyethylene masterbatches processed at temperatures up to 280°C without significant hue shift or degradation.
Q3: How does MO2228 perform under UV exposure and outdoor weathering conditions?
A: As an inorganic oxide pigment, MO2228 offers inherently high UV resistance and long-term weatherability, making it well-suited for exterior applications including automotive plastics and construction materials.
Q4: Can MO2228 be dispersed effectively in water-based systems?
A: While primarily designed for thermoplastic and solvent-based systems, MO2228 can be formulated into stable aqueous dispersions using appropriate surfactants and milling protocols — performance depends on the specific binder and pH environment.
Q5: What is the typical dosage range when using MO2228 in plastic coloration?
A: Dosage generally ranges from 0.1% to 2% by weight, depending on the desired opacity, shade intensity, and polymer matrix — lower concentrations are often sufficient due to its strong tinting strength and high hiding power.
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