| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also known as Brown Aluminum Oxide, stands as a superior synthetic mineral distinguished by its remarkable hardness and extraordinary wear resistance. Crafted with precision, this premium material is the result of a sophisticated process that fuses bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. It then undergoes careful cooling, crushing, and screening to uphold the highest quality standards. The exceptional physical and chemical characteristics of this product render it indispensable for a wide range of industrial applications, ensuring outstanding performance and long-lasting durability.
| TYPICAL CHEMICAL ANALYSIS | |
| Al2O3 | 99.54% |
| Na2O | 0.23% |
| SiO2 | 0.06% |
| Fe2O3 | 0.06% |
| PHYSICAL PROPERTIES | |
| Color | Brown |
| Shape | Angular grain shape |
| Crystal Form | Alpha alumina |
| Specific Gravity | 3.95 |
| Hardness | 2150 Knoop scale |
| Magnetic Material | 0.00% |
Embark on a mesmerizing journey through the creation of brown fused alumina (BFA), a symphony of meticulously orchestrated stages. Each step from raw material preparation, fusion, and cooling, to crushing and careful classification reveals the artistry behind this extraordinary process.
Raw Material Preparation:
Bauxite: This fundamental building block of our superior production is carefully selected for its abundant alumina (Al2O3) content. Our handpicked bauxite ensures purity and quality, paving the path for premium outcomes.
Iron filings or scrap iron: Seamlessly incorporated into the mixture, these materials enhance the reduction process during fusion, boosting efficiency and quality.
Anthracite coal: A vital component in the fusion process, anthracite coal acts as a powerful reducing agent, playing a crucial role in achieving the desired transformation.
Fusion:
Electric Arc Furnace (EAF): Our masterfully blended mixture enters the Electric Arc Furnace, where temperatures escalate to an impressive 2000-2200°C (3632-3992°F). Under the influence of electric arcs from carbon electrodes, the transformation begins.
Reduction and Fusion: In this high-temperature environment, bauxite's alumina melts and engages with anthracite's carbon, producing molten alumina. Impurities like iron are effectively minimized and segregated, ensuring purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as molten alumina is expertly poured into molds or spread on a cooling floor. The controlled cooling process is vital for achieving the desired crystal structure and size.
Formation of Ingots: During cooling, the material solidifies into magnificent ingots or blocks, showcasing the opulent form of fused alumina.
Crushing and Grinding:
Primary Crushing: These cooled ingots undergo initial breakdown by robust jaw crushers or similar machinery, setting the stage for further refinement.
Secondary Crushing and Grinding: This process involves meticulous crushing and grinding through cone crushers, roll crushers, and ball mills, ensuring the material achieves the ideal particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material passes through magnetic separators, which excel at removing iron particles and metallic impurities, guaranteeing pristine purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is expertly sieved into various grades based on particle size, utilizing vibrating screens and air classifiers for precision and accuracy.
Quality Control: Each batch undergoes stringent testing for chemical composition, particle size distribution, and other vital quality metrics to ensure adherence to industry benchmarks and deliver exceptional quality.
Brown fused alumina is renowned across numerous industrial sectors for its extraordinary hardness, outstanding toughness, and exceptional high melting point, making it an unparalleled necessity:
Abrasives: Serving as a vital element in the creation of grinding wheels, sandpaper, blasting media, and a wide array of other superior-grade abrasive products.
Refractories: Integral in the production of refractory bricks, castables, and other durable materials engineered to endure extreme heat and temperature conditions.
Surface Preparation: The perfect solution for cleaning, deburring, and preparing surfaces in metalworking, automotive, and other precision industries where meticulousness is key.
Ceramics: An indispensable component in ceramic products that require remarkable durability and thermal shock resistance, ensuring extended longevity and optimal performance.
| TYPICAL BULK DENSITY | |||||||
| Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ |
| 12 | 1.74 | 30 | 1.77 | 60 | 1.65 | 120 | 1.51 |
| 14 | 1.72 | 36 | 1.76 | 70 | 1.62 | 150 | 1.48 |
| 16 | 1.72 | 40 | 1.72 | 80 | 1.59 | 180 | 1.46 |
| 20 | 1.72 | 46 | 1.71 | 90 | 1.55 | 220 | 1.44 |
| 24 | 1.79 | 54 | 1.69 | 100 | 1.54 | ||
Drums and Barrels: Versatile and Durable
Weight: Typically available in 200 L (53 gallons) drums, offering a robust solution for storage and transport.
Material: Fabricated from durable metal or high-density polyethylene, ensuring optimal strength and longevity.
Features: Secured with tamper-evident seals and designed to resist moisture, these stackable containers maximize storage efficiency.
Applications: Employed where extra protection from environmental factors is essential, or for streamlined handling in automated processes.
Custom Packaging: Tailored Precision
Options: Offering bespoke packaging solutions meticulously tailored to meet specific customer requirements with precision.
Features: Enables custom weights, materials, and labeling options to address particular needs and preferences.
Applications: Ideally suited for specialized industries or unique applications that demand specific packaging standards.
Labeling and Documentation: Clarity and Compliance
Identification: Each package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number, ensuring clarity and traceability.
Safety Information: Labels are meticulously detailed with crucial safety and handling instructions, safeguarding users and handlers alike.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring peace of mind and safety during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands at the forefront of the trading industry as a prestigious innovator. We are passionately dedicated to the specialized field of refractory materials and abrasive media, seamlessly blending profound industry insights with unparalleled trade expertise. Our company takes immense pride in our state-of-the-art testing facilities, coupled with unmatched technical proficiency. Nestled in the vibrant heart of Luoyang city, Henan province, our two illustrious factories boast a rich legacy of 24 years in the meticulous production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA), making us a trusted name in the sector.
Built upon solid foundations of strong factory partnerships, we present an exquisite array of Cutting Wheels, Grinding Wheels, and Flap Discs at exceptionally competitive prices. Our offerings are renowned and trusted worldwide, adeptly meeting the diverse and evolving economic and social needs of today's global market. Our steadfast dedication to quality and customer satisfaction ensures that our products consistently reach the zenith of excellence and reliability, earning the trust of clients across the globe.
At Luoyang Frere, we highly value enduring collaborations and eagerly look forward to the opportunity to partner with your esteemed company. Our dedicated team stands ready, poised to support your endeavors and play a pivotal role in your forthcoming success and growth, making your journey with us an enriching experience.
At Frere company, we are steadfast in our commitment to our customers long after the transaction is complete. Our comprehensive suite of after-sales services is meticulously designed to ensure your enduring satisfaction and success with our exceptional offerings. Discover the remarkable service experience awaiting you when you choose us as your reliable partner for abrasive and refractory solutions:
1. Technical Support:
Our team of accomplished engineers and technical specialists is on standby to deliver unmatched expertise and guidance. Whether you need assistance selecting the ideal product, mastering intricate application techniques, or overcoming troubleshooting hurdles, we are devoted to facilitating your success and achieving outstanding outcomes.
2. Product Training:
We offer extensive training programs designed to equip your team with the essential knowledge and skills to utilize our products with efficiency and safety. Our training sessions range from foundational handling practices to sophisticated application strategies, meticulously tailored to fit your specific needs and preferences.
3. Warranty and Repairs:
Our offerings are fortified by a robust warranty. In the event of any issues, our dedicated service team is ready to provide prompt repairs or replacements, ensuring minimal disruption to your operations and peace of mind.
4. Regular Follow-ups:
We pride ourselves on our proactive customer service approach. Our team conducts regular follow-ups to evaluate product performance and gather your invaluable feedback. This dynamic process allows us to continuously enhance and customize our solutions to perfectly align with your evolving needs.
5. Maintenance Services:
To maximize the lifespan and optimize the performance of our products, we offer specialized maintenance services. Our experts assist in developing a maintenance schedule and provide on-site support to ensure your equipment operates at its best.
6. Rapid Response:
In urgent situations, our rapid response team is prepared to deliver immediate assistance. Recognizing the importance of timeliness in your business, we address issues with exceptional speed and efficiency, ensuring swift resolutions.
7. Spare Parts Availability:
We maintain an extensive inventory of spare parts to ensure you promptly receive the components you need. Our efficient logistics network guarantees swift delivery, reducing downtime and keeping your operations running smoothly.
8. Customer Feedback Loop:
Your insights are invaluable to us. We actively encourage your feedback on our products and services, using it to drive continuous improvements. Our aim is to consistently exceed your expectations at every point of interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is available around the clock, ready to address any questions or concerns you may have. Whether it's a simple inquiry or an urgent issue, we are here to provide unwavering support and assistance.
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