| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also referred to by its esteemed name, Brown Aluminum Oxide, epitomizes excellence as a high-grade synthetic mineral renowned for its unparalleled hardness and exceptional wear resistance. Meticulously crafted, this top-tier material emerges from an advanced process that skillfully blends bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. Following this, it is expertly cooled, crushed, and screened to maintain superior quality standards. The remarkable physical and chemical properties of this product make it absolutely essential for diverse industrial applications, guaranteeing exceptional performance and enduring durability that set it apart in the marketplace.
| 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 acclaimed across diverse industrial landscapes for its extraordinary hardness, unmatched toughness, and remarkable high melting point, making it an indispensable asset:
Abrasives: Central to the fabrication of grinding wheels, sandpaper, blasting media, and a broad spectrum of other premium-grade abrasive products. This material guarantees superior performance in abrasive applications.
Refractories: Essential in crafting refractory bricks, castables, and other robust materials designed to withstand extreme heat and temperature challenges, ensuring reliability and safety in demanding environments.
Surface Preparation: The ideal choice for cleaning, deburring, and prepping surfaces in metalworking, automotive, and other precision industries where accuracy and attention to detail are paramount for optimal results.
Ceramics: A crucial ingredient in ceramic products requiring exceptional durability and thermal shock resistance, ensuring long-lasting service life and enhanced performance for high-demand applications.
| 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), these drums provide a sturdy and reliable solution for storage and transport needs.
Material: Constructed from robust metal or high-density polyethylene, these ensure the highest standards of strength and longevity.
Features: Equipped with tamper-evident seals and moisture resistance, these stackable containers optimize storage space and efficiency.
Applications: Ideal for environments where added protection from elements is critical, or for seamless integration into automated processes.
Custom Packaging: Tailored Precision
Options: Delivering customized packaging solutions, expertly crafted to meet each customer's specific and precise requirements.
Features: Allowing for tailor-made weights, materials, and labeling options, addressing particular needs and preferences with precision.
Applications: Perfect for industries demanding highly specific packaging standards or unique applications.
Labeling and Documentation: Clarity and Compliance
Identification: Each package is clearly marked with comprehensive product details like grade, grit size, weight, and batch number for assurance of product clarity and traceability.
Safety Information: Labels provide detailed safety and handling guidelines, protecting users and handlers effectively.
Compliance: Packaging strictly adheres to international shipping regulations and industry standards, ensuring a safe and worry-free transit experience.
Luoyang Frere Import and Export Trading Co., Ltd. stands at the pinnacle of the trading industry, celebrated as a prestigious innovator. With a fervent dedication to the specialized realm of refractory materials and abrasive media, we seamlessly merge profound industry insights with peerless trade expertise. Our company takes immense pride in our state-of-the-art testing facilities, coupled with unmatched technical acumen. Located in the bustling heart of Luoyang city, Henan province, our two illustrious factories boast a rich heritage of 24 years in the meticulous production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA), solidifying our reputation as a trusted name in the sector.
Built upon robust foundations with strong factory partnerships, we offer a truly exquisite array of Cutting Wheels, Grinding Wheels, and Flap Discs at extraordinarily competitive prices. Our offerings are globally renowned and trusted, adeptly catering to the diverse and evolving economic and social needs of today's international market. Our unwavering commitment to quality and customer satisfaction ensures that our products consistently reach the apex of excellence and reliability, earning the trust of discerning clients around the world.
At Luoyang Frere, we place immense value on enduring collaborations and are eager to seize the opportunity to partner with your esteemed company. Our dedicated team stands ready and poised to support your endeavors, eagerly playing a pivotal role in your forthcoming success and growth, ensuring your journey with us is an enriching and rewarding experience.
At Frere company, our commitment to you extends far beyond the point of sale. Our exceptional suite of after-sales services is thoughtfully crafted to ensure your ongoing satisfaction and unparalleled success with our distinguished offerings. Experience the extraordinary service that awaits you when you choose us as your trusted partner in abrasive and refractory solutions:
1. Technical Support:
Our team of highly skilled engineers and technical experts is always ready to offer unrivaled expertise and guidance. Whether you need help selecting the perfect product, mastering complex application techniques, or tackling troubleshooting challenges, we are dedicated to empowering your success and achieving remarkable results.
2. Product Training:
We provide comprehensive training programs designed to empower your team with the critical knowledge and skills necessary to use our products efficiently and safely. From basic handling practices to advanced application strategies, our training sessions are carefully customized to meet your unique requirements and preferences.
3. Warranty and Repairs:
Our products are backed by a robust warranty. Should any issues arise, our committed service team is poised to deliver prompt repairs or replacements, ensuring minimal disruption to your operations and complete peace of mind.
4. Regular Follow-ups:
We take pride in our proactive customer service approach. Our team conducts regular follow-ups to assess product performance and gather your invaluable feedback. This ongoing process allows us to consistently refine and tailor our solutions to perfectly match your changing needs.
5. Maintenance Services:
To enhance the longevity and boost the performance of our products, we provide specialized maintenance services. Our experts assist in crafting a maintenance schedule and offer on-site support to ensure your equipment operates at peak efficiency.
6. Rapid Response:
In critical situations, our rapid response team is prepared to provide immediate support. We understand the vital importance of timeliness in your business, and we handle issues with exceptional speed and efficiency, ensuring swift resolutions.
7. Spare Parts Availability:
We maintain a comprehensive inventory of spare parts to ensure you quickly receive the components you need. Our efficient logistics network guarantees fast delivery, minimizing downtime and keeping your operations seamless.
8. Customer Feedback Loop:
Your insights are invaluable to us. We actively encourage your feedback on our products and services, using it to fuel continuous enhancements. Our goal is to consistently surpass your expectations at every point of interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is available 24/7, ready to address any questions or concerns you might have. Whether it's a straightforward inquiry or an urgent issue, we are here to provide steadfast support and assistance.
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