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High thermal stability up to 800 °C, enabling use in high-temperature curing and firing processes.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Non-toxic and heavy-metal-free formulation, compliant with global environmental and safety standards including RoHS and REACH.
Superior dispersion stability in aqueous and solvent-based systems, reducing sedimentation and improving batch consistency.
Consistent particle size distribution for uniform color development and enhanced opacity in final coatings.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance industrial coatings for automotive trim and appliance exteriors.
Plastic colorants for engineering thermoplastics requiring heat resistance and regulatory compliance.
Architectural concrete pigments for façade elements and precast structural components.
Fire-resistant intumescent coatings where pigment stability at elevated temperatures is critical.
| Chemical Type | Mixed-metal oxide (iron-chromium-cobalt spinel) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform dark brown to black granular powder |
| Primary Applications | Ceramics, high-temp coatings, engineering plastics, architectural concrete |
| Key Features | Heat stable, UV resistant, non-volatile, chemically inert |
| Benefits | Color consistency, low dosage requirement, regulatory compliance |
| Storage Conditions | Store in cool, dry, well-ventilated area; protect from moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What is the primary chemical composition of Environoxide BG-836?
A: Environoxide BG-836 is a mixed-metal oxide pigment based on iron and chromium oxides, engineered to deliver stable, earth-toned coloration with enhanced thermal and light stability.
Q2: Is Environoxide BG-836 suitable for use in food-contact plastics?
A: Yes — it is formulated to meet global regulatory expectations for inorganic pigments in food-contact applications, including compliance with FDA 21 CFR §178.3297 and EU Directive 2002/72/EC for functional barrier use, subject to final formulation validation.
Q3: How does BG-836 perform under high-temperature processing conditions?
A: It exhibits excellent thermal stability, retaining color integrity and dispersion quality during standard polymer processing up to 300°C, making it well-suited for engineering thermoplastics and high-melt-index compounds.
Q4: What are the recommended dispersion methods for optimal color development?
A: For best results, pre-dispersion via high-shear mixing or twin-screw compounding is recommended; it disperses readily in both polar and non-polar polymer matrices without requiring surface treatment additives.
Q5: Can BG-836 be used in aqueous coating systems?
A: While primarily optimized for thermoplastic and thermoset polymer applications, it can be incorporated into water-based coatings using appropriate dispersants and stabilization protocols — consultation with Cathay Hoover technical support is advised for system-specific optimization.
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