| Customization: | Available |
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| Shape: | Angular |
| Al2O3: | 95% |
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Brown Fused Alumina, also celebrated as Brown Aluminum Oxide, stands as a paragon among synthetic minerals, renowned for its unparalleled hardness and exceptional wear resistance. Meticulously engineered, this premium-grade material emerges from an advanced and sophisticated production process. It involves the precise fusion of bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. After this intricate process, the material undergoes a meticulous sequence of cooling, crushing, and screening to not only meet but exceed the highest quality standards in the industry. With its outstanding physical and chemical properties, this product becomes indispensable across a vast array of industrial applications, promising not just superior performance but also enduring durability. Choose Brown Fused Alumina for a reliable solution that ensures excellence in every use case.
| 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 captivating journey through the intricate creation process of brown fused alumina (BFA), where precision meets artistry. Each stage-ranging from the meticulous preparation of raw materials, expert fusion, controlled cooling, to systematic crushing and classification-unveils the sophisticated craftsmanship involved in producing this exceptional material.
Raw Material Preparation:
Bauxite: Serving as the essential cornerstone of our exceptional production, bauxite is carefully selected for its high alumina (Al2O3) content. Our rigorous selection process guarantees unparalleled purity and quality, forming the bedrock for superior performance.
Iron filings or scrap iron: Seamlessly incorporated into the mixture, these materials significantly optimize the reduction process during fusion, enhancing both efficiency and quality of the end product.
Anthracite coal: This critical component in the fusion process acts as a powerful reducing agent, playing an indispensable role in achieving the desired chemical transformation.
Fusion:
Electric Arc Furnace (EAF): Our expertly formulated mixture is introduced into the Electric Arc Furnace, where temperatures soar to an impressive 2000-2200°C (3632-3992°F). Here, under the influence of electric arcs from carbon electrodes, the transformative process begins in earnest.
Reduction and Fusion: In this intense thermal environment, the alumina in bauxite melts and interacts with the carbon from anthracite, forming molten alumina. Impurities, such as iron, are effectively reduced and eliminated, ensuring impeccable purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as the molten alumina is skillfully poured into molds or delicately spread on a cooling floor. This controlled cooling is vital for achieving the precise crystal structure and size desired.
Formation of Ingots: As cooling progresses, the material solidifies into magnificent ingots or blocks, embodying the luxurious form of fused alumina.
Crushing and Grinding:
Primary Crushing: These solidified ingots undergo an initial breakdown by powerful jaw crushers or equivalent machinery, setting the stage for further refinement and precision.
Secondary Crushing and Grinding: This phase involves detailed crushing and grinding utilizing cone crushers, roll crushers, and ball mills, ensuring the material achieves the precise particle size required.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is subjected to magnetic separators, which are highly effective in removing iron particles and other metallic impurities, guaranteeing unmatched purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina undergoes meticulous sieving into various grades based on particle size, employing vibrating screens and air classifiers for exceptional precision and accuracy.
Quality Control: Every batch is rigorously tested for chemical composition, particle size distribution, and other critical quality metrics to ensure it meets industry standards, delivering unparalleled quality.
Brown fused alumina is celebrated across a multitude of industrial arenas for its extraordinary hardness, superior toughness, and remarkable high melting point, establishing it as an unparalleled essential component:
Abrasives: This exceptional material stands as a cornerstone in the creation of grinding wheels, sandpaper, blasting media, and a wide array of elite abrasive products, offering unmatched performance and durability.
Refractories: Integral in the production of refractory bricks, castables, and other high-strength materials, this alumina is engineered to endure the most intense heat and temperature extremes.
Surface Preparation: The definitive choice for meticulous cleaning, deburring, and surface preparation in metalworking, automotive, and numerous precision-focused industries, ensuring pristine and flawless finishes.
Ceramics: A pivotal element in ceramic products demanding outstanding durability and resistance to thermal shock, ensuring longevity and exceptional functionality.
| 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 Solutions
Weight: Our sturdy 200 L (53 gallons) drums present a reliable and durable solution for all your storage and transport requirements.
Material: Constructed from durable metal or high-density polyethylene, these containers ensure maximum strength and long-lasting performance.
Features: With tamper-evident seals and a moisture-resistant design, these stackable containers optimize storage efficiency and security.
Applications: Perfect for environments requiring enhanced protection against external elements or efficient integration within automated systems.
Custom Packaging: Tailored Precision Solutions
Options: Our custom packaging options are engineered to meet your exact specifications, providing tailored precision that aligns with your needs.
Features: Offering versatile customizations in weights, materials, and labeling, these solutions cater to your unique preferences and industry requirements.
Applications: Ideally crafted for industries or applications that demand specific packaging standards, ensuring a precise fit for your requirements.
Labeling and Documentation: Clarity and Compliance Mastered
Identification: Each package is adorned with a clear, informative label detailing product specifications like grade, grit size, weight, and batch number, ensuring clear traceability.
Safety Information: Comprehensive safety and handling instructions are featured on labels to guarantee the protection of users and handlers alike.
Compliance: Our packaging strictly adheres to international shipping regulations and meets industry standards, providing security and peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a luminary in the world of trading, consistently setting the standard for innovation and excellence. Our deep-rooted dedication to the complex domains of refractory materials and abrasive media is complemented by our extensive industry knowledge and unmatched trade proficiency. We take immense pride in our state-of-the-art testing facilities and our exceptional technical expertise. Nestled in the vibrant heart of Luoyang city, Henan province, our distinguished factories have built a remarkable 24-year heritage in the precise production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA). These accomplishments solidify our status as a highly respected and trusted leader in the industry.
Backed by strong factory alliances, we present an exquisite array of Cutting Wheels, Grinding Wheels, and Flap Discs at remarkably competitive prices. Globally acclaimed and relied upon, our products adeptly meet the diverse and ever-evolving economic and social needs of today's international marketplace. Our unwavering dedication to quality and customer satisfaction guarantees that our products consistently reach the zenith of excellence and reliability, earning unwavering trust and loyalty from clients across the globe.
At Luoyang Frere, we value long-lasting partnerships and are eager to collaborate with your prestigious enterprise. Our dedicated team is ready and enthusiastic to support your endeavors, playing an instrumental role in your future success and growth. We are committed to ensuring that your experience with us transcends a mere partnership, becoming an enriching and rewarding journey.
At Frere company, our unwavering dedication to our clients transcends the completion of a sale. We proudly present a comprehensive suite of after-sales services, each meticulously crafted to ensure your perpetual satisfaction and success with our extraordinary products. Embark on an unparalleled service journey when you choose us as your esteemed partner for abrasive and refractory solutions:
1. Technical Support:
Our elite team of engineers and technical specialists stands ever-ready to provide unparalleled expertise and guidance. Whether you seek assistance in selecting the perfect product, mastering complex application techniques, or surmounting troubleshooting challenges, we are committed to empowering your success and achieving remarkable results.
2. Product Training:
We deliver comprehensive training programs tailored to equip your team with the essential knowledge and skills for safe and effective product use. From fundamental handling practices to sophisticated application strategies, our sessions are meticulously designed to cater to your unique needs and preferences.
3. Warranty and Repairs:
Our products are backed by a robust warranty. Should any issues arise, our dedicated service team is poised to offer prompt repairs or replacements, minimizing operational disruptions and ensuring your peace of mind.
4. Regular Follow-ups:
Our proactive customer service approach is a source of great pride. Regular follow-ups allow us to assess product performance and gather your invaluable feedback. This dynamic interaction empowers us to continuously refine and personalize our solutions to seamlessly adapt to your evolving needs.
5. Maintenance Services:
To extend the lifespan and optimize our products' performance, we offer specialized maintenance services. Our experts work 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 delivers immediate assistance. We recognize 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 guarantees 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 surpass 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 offer steadfast support and assistance whenever needed.
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