| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, famously known as Brown Aluminum Oxide, stands as a beacon of excellence among synthetic minerals. Esteemed for its extraordinary hardness and superior wear resistance, this premium-grade material is the result of a cutting-edge production process. Crafted from bauxite, iron filings, and anthracite, it undergoes fusion at high temperatures within a state-of-the-art electric arc furnace. Post-fusion, the material is meticulously cooled, crushed, and screened to ensure it not only meets but significantly surpasses the most stringent quality standards. Its exceptional physical and chemical characteristics render it essential for a wide spectrum of industrial applications, offering unparalleled 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 captivating voyage through the meticulous creation process of brown fused alumina (BFA), a harmonious blend of precision and artistry. Each stage, from raw material preparation, fusion, and cooling, to systematic crushing and classification, unveils the intricate craftsmanship involved in this remarkable production.
Raw Material Preparation:
Bauxite: This essential cornerstone of our exquisite production is meticulously chosen for its high alumina (Al2O3) content. Our rigorously selected bauxite ensures unmatched purity and quality, laying the foundation for superior results.
Iron filings or scrap iron: Seamlessly integrated into the mixture, these materials significantly enhance the reduction process during fusion, elevating overall efficiency and outcome quality.
Anthracite coal: Serving as a crucial element in the fusion process, anthracite coal acts as a potent reducing agent, playing an indispensable role in facilitating the desired transformation.
Fusion:
Electric Arc Furnace (EAF): Our expertly formulated mixture enters the Electric Arc Furnace, where temperatures soar to a staggering 2000-2200°C (3632-3992°F). Under the influence of electric arcs from carbon electrodes, the transformative process is set in motion.
Reduction and Fusion: Within this intense heat environment, bauxite's alumina liquefies and interacts with the carbon from anthracite, forming molten alumina. Impurities, including iron, are effectively reduced and separated, assuring impeccable purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as molten alumina is adeptly poured into molds or carefully spread on a cooling floor. This controlled cooling is essential for achieving the targeted crystal structure and size.
Formation of Ingots: During the cooling phase, the material solidifies into splendid ingots or blocks, illustrating 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, 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 attains the desired particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is processed through magnetic separators, which excel in eliminating iron particles and other metallic impurities, ensuring unparalleled 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 is subjected to rigorous testing for chemical composition, particle size distribution, and other critical quality metrics to ensure conformity with industry standards and deliver outstanding quality.
Brown fused alumina, a powerhouse in the industrial world, is lauded for its immense hardness, exceptional toughness, and brilliant high melting point. It is a vital element in numerous applications, making it indispensable:
Abrasives: Revered as a pivotal element in crafting superior grinding wheels, precision sandpaper, efficient blasting media, and an expansive array of elite abrasive products.
Refractories: Essential for forging refractory bricks, robust castables, and other durable materials engineered to thrive under extreme heat and demanding temperature conditions.
Surface Preparation: The definitive choice for meticulous surface cleaning, deburring tasks, and preparation in industries like metalworking, automotive, and other precision-focused sectors.
Ceramics: An indispensable component in ceramic products demanding extraordinary durability and resistance to thermal shock, 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: Available in sturdy 200 L (53 gallons) drums, offering a reliable answer to your storage and transport demands.
Material: Manufactured from robust metal or high-density polyethylene, these drums ensure outstanding strength and durability.
Features: Featuring tamper-evident seals and a moisture-resistant design, these stackable containers significantly enhance storage efficiency and security.
Applications: Perfect for settings requiring heightened protection from environmental elements or for streamlined handling in automated systems.
Custom Packaging: Tailored Precision
Options: Our custom packaging solutions are crafted with meticulous attention to detail, ensuring precise alignment with your distinct specifications.
Features: Delivers flexibility in customizing weights, materials, and labeling to adeptly fulfill unique needs and preferences.
Applications: Ideally suited for industries or applications that necessitate specific packaging criteria and standards.
Labeling and Documentation: Clarity and Compliance
Identification: Each package is prominently labeled with comprehensive product information including grade, grit size, weight, and batch number, ensuring clarity and traceability.
Safety Information: Labels are detailed with comprehensive safety and handling instructions to safeguard users and handlers.
Compliance: Our packaging complies with international shipping regulations and industry standards, ensuring safety and confidence during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a shining example of innovation and excellence within the trading industry. With a passionate dedication to the nuanced realms of refractory materials and abrasive media, we seamlessly blend profound industry insight with unmatched trade prowess. Our pride originates from our state-of-the-art testing facilities and unparalleled technical expertise. Nestled in the dynamic heart of Luoyang city, Henan province, our two esteemed factories boast an illustrious 24-year history in the meticulous production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA). These credentials establish us as a respected and trusted authority in the sector.
Backed by strong factory alliances, we present an exquisite array of Cutting Wheels, Grinding Wheels, and Flap Discs at remarkably competitive rates. Globally recognized and trusted, our products cater effortlessly to the diverse and ever-evolving demands of today's international market. Our steadfast commitment to excellence and customer satisfaction ensures our products consistently attain the highest levels of quality and reliability, winning the trust and loyalty of clients worldwide.
At Luoyang Frere, we deeply value long-lasting collaborations and are thrilled at the prospect of partnering with your esteemed enterprise. Our dedicated team stands ready and enthusiastic to support your endeavors, playing an essential role in your upcoming success and growth. We are dedicated to making your journey with us not merely a partnership, but an enriching and rewarding experience.
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 is always ready to provide unmatched expertise and guidance. Whether you require assistance in choosing the ideal product, mastering intricate application techniques, or overcoming troubleshooting challenges, we are dedicated to propelling your success and achieving remarkable outcomes.
2. Product Training:
We offer extensive training programs designed to equip your team with the critical knowledge and skills for safe and proficient product utilization. From foundational handling practices to advanced application strategies, our sessions are carefully crafted to meet your distinct needs and preferences.
3. Warranty and Repairs:
Our products are supported by a robust warranty. If any issues arise, our dedicated service team is ready to deliver prompt repairs or replacements, minimizing operational interruptions and ensuring your peace of mind.
4. Regular Follow-ups:
We take immense pride in our proactive customer service approach. Routine follow-ups enable us to evaluate product performance and collect your valuable feedback. This interactive process empowers us to continually refine and tailor our solutions to seamlessly align with your evolving needs.
5. Maintenance Services:
To prolong the lifespan and maximize the performance of our products, we provide specialized maintenance services. Our experts collaborate with you to create a maintenance schedule and offer on-site support, ensuring your equipment operates at peak efficiency.
6. Rapid Response:
During urgent situations, our rapid response team offers immediate assistance. We understand the critical importance of timeliness in your operations, addressing issues with exceptional speed and effectiveness to ensure swift resolutions.
7. Spare Parts Availability:
Our extensive inventory of spare parts is maintained to provide you with the components you require when you need them. Our efficient logistics network ensures prompt 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 for ongoing enhancements. Our aim is to consistently exceed your expectations at every interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is available around the clock to address any inquiries or concerns you may have. Whether it's a simple question or an urgent issue, we provide steadfast support and assistance whenever needed.
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