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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, heavy-metal-free formulation compliant with global environmental regulations including RoHS and REACH.
Consistent particle size distribution for uniform dispersion and optimal color development in matrix systems.
Chemically inert and acid/alkali resistant, maintaining integrity in aggressive chemical environments.
Ceramic glazes and bodies for tableware, sanitaryware, and architectural tiles.
High-performance coatings for industrial equipment and exterior building facades.
Coloration of refractory materials used in kiln linings and furnace components.
Plastic masterbatches for automotive interior trims requiring heat and UV stability.
Specialty inks for heat-resistant labeling on packaging and technical components.
| Chemical Type | Mixed-Metal Oxide (Fe-Cr-Ni based spinel) |
| Product Form | Fine dry powder |
| Appearance | Uniform reddish-brown free-flowing powder |
| Primary Applications | Ceramics, refractories, high-temp coatings, engineering plastics |
| Key Features | Thermal stability, non-toxicity, UV resistance, chemical inertness |
| Benefits | Regulatory compliance, batch-to-batch consistency, low migration risk |
| Density (g/cm³) | 4.2–4.5 |
| LOI (1000°C, %) | <1.0 |
Q1: What is the primary chemical composition and classification of Environoxide BR-834?
A: Environoxide BR-834 is a high-performance inorganic pigment based on a stabilized mixed-metal oxide system, engineered for thermal and chemical stability. It is classified as a complex inorganic colored pigment (CICP), free from heavy metals such as lead, cadmium, and chromium(VI).
Q2: Is Environoxide BR-834 suitable for use in food-contact or pharmaceutical packaging applications?
A: While BR-834 is formulated to meet stringent regulatory expectations for low extractability and inertness, its suitability for food-contact or pharmaceutical applications depends on final formulation validation and compliance with applicable regional requirements. Users must conduct full migration and safety assessments specific to their end-use matrix and processing conditions.
Q3: How does BR-834 perform under high-temperature processing, such as injection molding or extrusion?
A: BR-834 exhibits excellent thermal stability and retains color integrity up to at least 350°C, making it well-suited for high-heat polymer processing including polyolefins, engineering thermoplastics, and masterbatch production. No significant color shift or decomposition has been observed under standard industrial processing conditions.
Q4: Can BR-834 be dispersed effectively in both polar and non-polar polymer systems?
A: Yes — BR-834 is surface-treated to enhance compatibility across a broad range of resins, including polyethylene, polypropylene, PET, and PVC. Dispersion performance is optimized with conventional melt-compounding techniques, and dosage typically ranges from 0.1% to 2% by weight depending on opacity and chroma requirements.
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