| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, widely recognized as Brown Aluminum Oxide, epitomizes a premium synthetic mineral renowned for its unmatched hardness and superior wear resistance. Meticulously engineered, this elite material is created through an advanced process involving the fusion of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. Following this, it is subjected to precise cooling, careful crushing, and meticulous screening to maintain the highest echelons of quality. The product's superb physical and chemical properties make it an essential choice for a diverse array of industrial applications, assuring exceptional performance and remarkable longevity.
| 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 intricate creation of brown fused alumina (BFA) where every phase is a symphony of meticulously orchestrated stages. Each step, from raw material preparation, fusion, and cooling, to the precise art of crushing and careful classification, unveils the craftsmanship and artistry behind this truly extraordinary process.
Raw Material Preparation:
Bauxite: This fundamental cornerstone of our superior production is meticulously selected for its abundant alumina (Al2O3) content. Our handpicked bauxite guarantees unmatched purity and quality, laying the foundation for premium outcomes and excellence in every batch.
Iron filings or scrap iron: Seamlessly integrated into the mixture, these materials significantly enhance the reduction process during fusion, thereby boosting both the efficiency and quality of the final product.
Anthracite coal: As a vital component in the fusion process, anthracite coal serves as a powerful reducing agent, playing a crucial and transformative role in achieving the desired chemical transformation.
Fusion:
Electric Arc Furnace (EAF): Our meticulously blended mixture is introduced into the Electric Arc Furnace, where temperatures soar to an impressive 2000-2200°C (3632-3992°F). Under the powerful influence of electric arcs generated from carbon electrodes, the remarkable transformation process begins.
Reduction and Fusion: Within this intense high-temperature environment, bauxite's alumina melts and interacts with anthracite's carbon, yielding molten alumina. Impurities, such as iron, are effectively minimized and segregated, ensuring the highest level of purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as molten alumina is expertly poured into molds or delicately spread on a cooling floor. This controlled cooling process is essential for achieving the desired crystal structure and optimal size, ensuring a superior quality product.
Formation of Ingots: As cooling progresses, the material solidifies into magnificent ingots or blocks, showcasing the opulent and refined form of fused alumina, a testament to our dedication to quality.
Crushing and Grinding:
Primary Crushing: These cooled ingots undergo an initial breakdown by robust jaw crushers or similar machinery, preparing them for further refinement and ensuring consistent quality across all stages.
Secondary Crushing and Grinding: This meticulous process involves further crushing and grinding through advanced cone crushers, roll crushers, and ball mills, ensuring the material achieves the ideal particle size for diverse applications.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through high-efficiency magnetic separators, which excel at removing iron particles and metallic impurities, thus guaranteeing pristine purity and quality.
Sieving and Classification:
Particle Size Distribution: The refined alumina is expertly sieved into various grades based on particle size, utilizing state-of-the-art vibrating screens and air classifiers for precision and unparalleled accuracy.
Quality Control: Each batch undergoes rigorous and stringent testing for chemical composition, particle size distribution, and other vital quality metrics to ensure strict adherence to industry benchmarks and deliver exceptional quality every time.
Brown fused alumina is celebrated in various industrial realms for its extraordinary hardness, remarkable toughness, and superior high melting point, positioning it as an essential asset in multiple applications:
Abrasives: A critical contributor to the fabrication of grinding wheels, sandpaper, blasting media, and an extensive range of premium-grade abrasive products, ensuring precision and efficiency.
Refractories: Essential in crafting refractory bricks, castables, and other robust materials designed to withstand the relentless challenges of extreme heat and temperature.
Surface Preparation: The ultimate choice for cleaning, deburring, and preparing surfaces across metalworking, automotive, and other industries that demand meticulous attention to detail.
Ceramics: A vital ingredient in ceramic products that necessitate extraordinary durability and resistance to thermal shock, ensuring unrivaled longevity and superior 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, they offer a robust, reliable solution for secure storage and transport.
Material: Fabricated from durable metal or high-density polyethylene, ensuring optimal strength and longevity for extended use.
Features: Secured with tamper-evident seals and designed to withstand moisture, these stackable containers maximize storage efficiency while ensuring safety.
Applications: Employed where extra protection from environmental factors is essential, or for streamlined handling in automated processes, ensuring superior integrity.
Custom Packaging: Tailored Precision
Options: Offering bespoke packaging solutions meticulously tailored to meet specific customer requirements, ensuring precision and satisfaction.
Features: Enables custom weights, materials, and labeling options to perfectly address particular needs and preferences, providing a personalized service.
Applications: Ideally suited for specialized industries or unique applications that demand specific, high-standard packaging solutions.
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 maximum clarity and traceability.
Safety Information: Labels are meticulously detailed with crucial safety and handling instructions, providing utmost safety for users and handlers.
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 pinnacle 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, our dedication to you extends far beyond the point of sale. We offer a comprehensive array of after-sales services, meticulously crafted to ensure your ongoing satisfaction and success with our exceptional range of solutions. Experience unparalleled service excellence when you partner with us for your abrasive and refractory needs:
1. Technical Support:
Our elite team of engineers and technical specialists is ready to provide superior expertise and guidance. Whether you seek assistance in choosing the perfect product, mastering complex application techniques, or navigating troubleshooting challenges, we are committed to driving your success and achieving remarkable results.
2. Product Training:
Unlock the full potential of our products with our extensive training programs. We empower your team with essential knowledge and skills to ensure efficient and safe use. From foundational handling practices to advanced application strategies, our training is meticulously customized to meet your specific requirements and preferences.
3. Warranty and Repairs:
Enjoy peace of mind with our strong warranty backing. Should any issues arise, our dedicated service team stands ready to deliver prompt repairs or replacements, minimizing operation disruptions and ensuring your continued peace of mind.
4. Regular Follow-ups:
Embrace our proactive customer service philosophy. Through regular follow-ups, we assess product performance and gather your invaluable feedback. This dynamic process enables us to continually refine and tailor our solutions to precisely meet your evolving needs.
5. Maintenance Services:
Enhance the longevity and performance of your equipment with our specialized maintenance services. Our experts assist you in crafting a maintenance schedule and provide on-site support, ensuring your machinery operates at peak efficiency.
6. Rapid Response:
For urgent needs, our rapid response team delivers swift assistance. Understanding the critical nature of timeliness in your operations, we tackle issues with exceptional speed and efficiency, ensuring quick and effective resolutions.
7. Spare Parts Availability:
Our extensive spare parts inventory guarantees that you receive essential components without delay. Our efficient logistics network ensures swift delivery, minimizing downtime and maintaining seamless operations.
8. Customer Feedback Loop:
Your insights are vital to us. We actively invite your feedback on our products and services, using it to fuel ongoing enhancements. Our goal is to consistently surpass your expectations at every touchpoint.
9. 24/7 Customer Service:
Our tireless customer service team is accessible around the clock, ready to address any inquiries or concerns you might have. Whether it's a simple query or an urgent matter, we are here to provide unwavering support and dedicated assistance.
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