| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also celebrated as Brown Aluminum Oxide, stands as a benchmark among synthetic minerals, renowned for its extraordinary hardness and exceptional wear resistance. Crafted with meticulous precision, this top-tier material is born from a pioneering process involving the fusion of bauxite, iron filings, and anthracite in a state-of-the-art high-temperature electric arc furnace. Thereafter, it undergoes a rigorous and exacting cooling, crushing, and screening regimen to meet and surpass the highest quality standards. With its outstanding physical and chemical properties, this product becomes indispensable across a broad spectrum of industrial applications, ensuring superior 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 an enthralling journey through the meticulous crafting process of brown fused alumina (BFA), where precision meets artistry in perfect harmony. Each phase-from the meticulous preparation of raw materials, fusion, and cooling to systematic crushing and classification-reveals the intricate craftsmanship involved in this extraordinary production.
Raw Material Preparation:
Bauxite: This indispensable cornerstone of our premium production is meticulously handpicked for its high alumina (Al2O3) content. Our rigorously selected bauxite guarantees unmatched purity and quality, creating the foundation for superior results.
Iron filings or scrap iron: Seamlessly integrated into the mixture, these materials significantly enhance the reduction process during fusion, boosting overall efficiency and outcome quality.
Anthracite coal: A crucial component in the fusion process, anthracite coal acts as a powerful reducing agent, playing an essential role in facilitating the desired transformation.
Fusion:
Electric Arc Furnace (EAF): Our expertly crafted mixture enters the Electric Arc Furnace, where temperatures soar to an astonishing 2000-2200°C (3632-3992°F). Under the influence of electric arcs from carbon electrodes, the transformative journey begins.
Reduction and Fusion: Within this intense heat arena, the alumina in bauxite liquefies and interacts with the carbon from anthracite, forming molten alumina. Impurities, including iron, are effectively reduced and separated, ensuring impeccable purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as molten alumina is skillfully poured into molds or carefully spread on a cooling floor. This controlled cooling is critical for achieving the desired crystal structure and size.
Formation of Ingots: During the cooling phase, the material solidifies into magnificent ingots or blocks, showcasing the luxurious form of fused alumina.
Crushing and Grinding:
Primary Crushing: These solidified ingots undergo an initial breakdown by robust jaw crushers or equivalent machinery, paving the way for further refinement.
Secondary Crushing and Grinding: This phase involves meticulous crushing and grinding through cone crushers, roll crushers, and ball mills, ensuring the material reaches the desired particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is processed through magnetic separators that excellently eliminate iron particles and other metallic impurities, ensuring unrivaled purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina undergoes precise sieving into different grades based on particle size, utilizing vibrating screens and air classifiers for impeccable precision and accuracy.
Quality Control: Each batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality metrics, ensuring conformity with industry standards and delivering outstanding quality.
Brown fused alumina is a revered powerhouse in numerous industrial domains, praised for its exceptional hardness, unmatched toughness, and incredible high melting point. These characteristics make it an indispensable asset:
Abrasives: A pivotal element in the production of grinding wheels, sandpaper, blasting media, and a broad spectrum of high-caliber abrasive products, ensuring exceptional performance and longevity.
Refractories: The backbone of refractory bricks, castables, and diverse robust materials crafted to endure extreme heat and severe temperature conditions with unwavering reliability.
Surface Preparation: The consummate choice for thorough cleaning, precise deburring, and meticulous preparation of surfaces within metalworking, automotive industries, and other fields requiring exacting standards.
Ceramics: An integral element in the formulation of ceramic products, providing extraordinary durability and resistance to thermal shock, thereby ensuring extended lifespan 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: Offered in sturdy 200 L (53 gallons) drums, providing a reliable solution for all your storage and transport requirements.
Material: Made from resilient metal or high-density polyethylene, ensuring exceptional strength and long-lasting performance.
Features: Equipped with tamper-evident seals and a moisture-resistant design, these stackable containers boost storage efficiency.
Applications: Ideal for settings requiring enhanced protection from environmental factors or for smooth handling in automated systems.
Custom Packaging: Tailored Precision
Options: Our custom packaging solutions are expertly tailored to fit your specific needs, ensuring a personalized touch and precision.
Features: Provides flexibility in customizing weights, materials, and labeling to meet distinct needs and preferences.
Applications: Ideally suited for industries or applications demanding precise packaging specifications.
Labeling and Documentation: Clarity and Compliance
Identification: Each package features a clear label with comprehensive product information, including grade, grit size, weight, and batch number, to ensure clarity and traceability.
Safety Information: Labels include detailed safety and handling instructions to ensure user and handler protection.
Compliance: Our packaging adheres to international shipping regulations and industry standards, ensuring secure and worry-free transit.
Luoyang Frere Import and Export Trading Co., Ltd. shines as a luminary of innovation and outstanding quality within the global trading industry. Passionately dedicated to the intricate art of refractory materials and abrasive media, we seamlessly blend profound industry insights with exceptional trade expertise. Our state-of-the-art testing facilities and unparalleled technical knowledge underscore our pride and commitment to excellence. Nestled in the dynamic heart of Luoyang city, Henan province, our two esteemed factories boast an illustrious 24-year tradition in the precise crafting of Brown Fused Alumina (BFA) and White Fused Alumina (WFA). These esteemed credentials solidify our status as a revered and trusted leader in the sector.
Supported by strong partnerships with top-tier factories, we present an exquisite array of Cutting Wheels, Grinding Wheels, and Flap Discs at remarkably competitive prices. Our products, globally renowned and trusted, seamlessly address the diverse and ever-evolving economic and social demands of today's international marketplace. Our steadfast commitment to quality and customer satisfaction ensures that our products consistently reach unparalleled levels of excellence and reliability, securing the trust and loyalty of clients worldwide.
At Luoyang Frere, we treasure enduring collaborations and are thrilled at the opportunity to partner with your esteemed enterprise. Our dedicated team is poised and eager to support your ventures, playing an instrumental role in your future success and growth. We are committed to transforming your journey with us into not just a partnership, but an enriching and rewarding experience.
At Frere company, our unwavering commitment to our clients extends far beyond the completion of a sale. We proudly offer a comprehensive suite of after-sales services, each thoughtfully designed to ensure your ongoing satisfaction and success with our exceptional products. Embark on an unparalleled service journey when you choose us as your esteemed partner for abrasive and refractory solutions:
1. Technical Support:
Our highly-skilled team of engineers and technical specialists is ever-ready to provide unmatched expertise and guidance. Whether you seek assistance in selecting the ideal product, mastering complex application techniques, or overcoming troubleshooting challenges, we are committed to empowering your success and achieving extraordinary results.
2. Product Training:
We offer comprehensive training programs designed to equip your team with the essential knowledge and skills for safe and effective product use. From fundamental handling practices to advanced application strategies, our sessions are meticulously crafted to meet your unique needs and preferences.
3. Warranty and Repairs:
Our products come with a robust warranty. Should any issues arise, our dedicated service team is ready to provide prompt repairs or replacements, minimizing operational disruptions and ensuring your peace of mind.
4. Regular Follow-ups:
Our proactive customer service approach is a point of pride. Regular follow-ups enable us to assess product performance and gather your invaluable feedback. This dynamic interaction allows us to continuously refine and tailor our solutions to seamlessly adapt to your evolving needs.
5. Maintenance Services:
To extend the lifespan and optimize the performance of our products, we offer specialized maintenance services. Our experts collaborate with you to develop a maintenance schedule and provide on-site support, ensuring your equipment maintains peak efficiency.
6. Rapid Response:
In times of urgency, our rapid response team is ready to deliver immediate assistance. We understand the critical importance of timeliness in your business, addressing issues with outstanding speed and efficacy to ensure swift resolutions.
7. Spare Parts Availability:
Our extensive spare parts inventory is maintained to provide you with the components you need when you need them. Our efficient logistics network ensures swift delivery, minimizing downtime and ensuring smooth operations.
8. Customer Feedback Loop:
Your insights are invaluable, and we actively seek your feedback on our products and services to drive continuous improvements. Our goal is to consistently exceed your expectations at every interaction.
9. 24/7 Customer Service:
Our devoted customer service team is available around the clock to address any questions or concerns you may have. Whether a simple inquiry or an urgent issue, we provide steadfast support and assistance whenever needed.
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